Question

3x+y=13, 5x-2x =7 PLS HOW WORKINGS

Answer 1

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Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

The coefficient of y in Equation 1 is 1. So first we make y the subject of Equation 1:

y = 13 - 3x

Next, substitute this expression for y in Equation 2 and solve for x:

5x - 2(13 - 3x) = 7      Multiply out bracket

5x - 26 + 6x = 7      Combine like terms (x's on one side, numbers on the other)

11x = 33      Divide both sides by 11 to solve for x

x = 3