Question

Y=2x

Y=7x-20

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Answer 1

(4,8)

Explanation:

y = 2x

y = 7x-20

Step 1: plug in 2x for y

Step 2: subtract 7x on both sides

Step 3: divide by -5 on both sides

Step 4: plug in 4 into y = 2x

2x = 7x -20

-7x -7x

-5x = -20

-5 -5

x = 4

y = 2(4)

y = 8