Question

What is the solution of the system of equations? y=2x+2 y=4x-2

Answer 1

{ y=2x+2
{ y=4x-2

2x+2=4x-2
x=2

y=2 ⋅ 2+2
y=6

(x,y)=(2,6)

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Check solution:
{ 6=2 ⋅ 2+2
{ 6=4 ⋅ 2-2

{6=6
{6=6