Question

What is the solution to the following system of equations?
{x=8-2y
{3y=-x+12

Answer 1

x=0

y=4

Explanation:

x=8-2y

3y=-x+12

first make it

ax ( + or - ) by = c

x+2y=8

x+3y=12

now subtract the equations

x+2y=8

- (x+3y=12)

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-1y=-4

y=4

x+2(4)=8

x+8=8

x=0