Solve for a
a=-\frac{5x}{2}+150c
Solve for c
c=\frac{a}{150}+\frac{x}{60}
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2a+5x=300c
Multiply 20 and 15 to get 300.
2a=300c-5x
Subtract 5x from both sides.
\frac{2a}{2}=\frac{300c-5x}{2}
Divide both sides by 2.
a=\frac{300c-5x}{2}
Dividing by 2 undoes the multiplication by 2.
a=-\frac{5x}{2}+150c
Divide 300c-5x by 2.
2a+5x=300c
Multiply 20 and 15 to get 300.
300c=2a+5x
Swap sides so that all variable terms are on the left hand side.
300c=5x+2a
The equation is in standard form.
\frac{300c}{300}=\frac{5x+2a}{300}
Divide both sides by 300.
c=\frac{5x+2a}{300}
Dividing by 300 undoes the multiplication by 300.
c=\frac{a}{150}+\frac{x}{60}
Divide 2a+5x by 300.
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