Solve for x, y, z, a, b, c, d
d=3
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4x=7+1
Consider the first equation. Add 1 to both sides.
4x=8
Add 7 and 1 to get 8.
x=\frac{8}{4}
Divide both sides by 4.
x=2
Divide 8 by 4 to get 2.
x=2 y=3 z=3 a=3 b=3 c=3 d=3
The system is now solved.
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