GoatedOnDaStixx GoatedOnDaStixx

19-06-2019
Mathematics

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x-y=4 x+y=8 the x-coordnate of the solution to the system shows

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jimrgrant1 jimrgrant1

19-06-2019

Answer:

x = 6

Step-by-step explanation:

Given the 2 equations

x - y = 4 → (1)

x + y = 8 → (2)

Adding the 2 equations term by term eliminates the y- term

(x + x) + (- y + y) = (4 + 8), that is

2x = 12 ( divide both sides by 2 )

x = 6

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