Solve for x, y
y=12
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7x-3-4x=0
Consider the first equation. Subtract 4x from both sides.
3x-3=0
Combine 7x and -4x to get 3x.
3x=3
Add 3 to both sides. Anything plus zero gives itself.
x=\frac{3}{3}
Divide both sides by 3.
x=1
Divide 3 by 3 to get 1.
x=1 y=12
The system is now solved.
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