4x+2y=20 y=8x What are the coordinates for this?

asked Jan 27, 2022 19.1k views

3 votes

4x+2y=20
y=8x

What are the coordinates for this?

by Udi

6.4k points

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3 votes

Answer:

(1,8)

Explanation:

Solve for the first variable in one of the equations then subsititue into the other equations

Nathan Lloyd answered Jan 30, 2022

5.8k points

3 votes

Answer:

x=1, y=8

Explanation:

substitute y=8x into the equation so 4x+16x=20, then x=1, plug that into y=8x so y=8

Justin Zhang answered Jan 31, 2022

6.3k points

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