Solve for x
x=-\frac{M_{8}}{2}+6
Solve for M_8
M_{8}=12-2x
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2x=12-M_{8}
Subtract M_{8} from both sides.
\frac{2x}{2}=\frac{12-M_{8}}{2}
Divide both sides by 2.
x=\frac{12-M_{8}}{2}
Dividing by 2 undoes the multiplication by 2.
x=-\frac{M_{8}}{2}+6
Divide 12-M_{8} by 2.
M_{8}=12-2x
Subtract 2x from both sides.
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