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4x plus 7y equals 47 5x - 4y equals -5? - Answers

When solving for two equations with two variables, take one equation (it doesn't matter which one) and solve for one of the variables (it doesn't matter which one).4x + 7y = 477y = 47 - 4xy = 47/7 - (4/7)xNow plug that value for the variable you solved for into the other equation5x - 4y = -55x - 4(47/7 - (4/7)x) = -55x -188/7 + (16/7)x = -5(51/7)x = 153/751x = 153x = 3Now plug that value into either equation to solve for the other variable.4x + 7y = 474(3) + 7y = 4712 + 7y = 477y = 35y = 5



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4x plus 7y equals 47 5x - 4y equals -5? - Answers

https://math.answers.com/other-math/4x_plus_7y_equals_47_5x_-_4y_equals_-5

When solving for two equations with two variables, take one equation (it doesn't matter which one) and solve for one of the variables (it doesn't matter which one).4x + 7y = 477y = 47 - 4xy = 47/7 - (4/7)xNow plug that value for the variable you solved for into the other equation5x - 4y = -55x - 4(47/7 - (4/7)x) = -55x -188/7 + (16/7)x = -5(51/7)x = 153/751x = 153x = 3Now plug that value into either equation to solve for the other variable.4x + 7y = 474(3) + 7y = 4712 + 7y = 477y = 35y = 5



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https://math.answers.com/other-math/4x_plus_7y_equals_47_5x_-_4y_equals_-5

4x plus 7y equals 47 5x - 4y equals -5? - Answers

When solving for two equations with two variables, take one equation (it doesn't matter which one) and solve for one of the variables (it doesn't matter which one).4x + 7y = 477y = 47 - 4xy = 47/7 - (4/7)xNow plug that value for the variable you solved for into the other equation5x - 4y = -55x - 4(47/7 - (4/7)x) = -55x -188/7 + (16/7)x = -5(51/7)x = 153/751x = 153x = 3Now plug that value into either equation to solve for the other variable.4x + 7y = 474(3) + 7y = 4712 + 7y = 477y = 35y = 5

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      When solving for two equations with two variables, take one equation (it doesn't matter which one) and solve for one of the variables (it doesn't matter which one).4x + 7y = 477y = 47 - 4xy = 47/7 - (4/7)xNow plug that value for the variable you solved for into the other equation5x - 4y = -55x - 4(47/7 - (4/7)x) = -55x -188/7 + (16/7)x = -5(51/7)x = 153/751x = 153x = 3Now plug that value into either equation to solve for the other variable.4x + 7y = 474(3) + 7y = 4712 + 7y = 477y = 35y = 5
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