Solve for x
x=-\frac{3y}{4}-\frac{7}{24}
Solve for y
y=-\frac{4x}{3}-\frac{7}{18}
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Quiz
Linear Equation
5 problems similar to:
\frac { x } { 3 } + \frac { y } { 4 } = - \frac { 7 } { 72 }
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24x+18y=-7
Multiply both sides of the equation by 72, the least common multiple of 3,4,72.
24x=-7-18y
Subtract 18y from both sides.
24x=-18y-7
The equation is in standard form.
\frac{24x}{24}=\frac{-18y-7}{24}
Divide both sides by 24.
x=\frac{-18y-7}{24}
Dividing by 24 undoes the multiplication by 24.
x=-\frac{3y}{4}-\frac{7}{24}
Divide -7-18y by 24.
24x+18y=-7
Multiply both sides of the equation by 72, the least common multiple of 3,4,72.
18y=-7-24x
Subtract 24x from both sides.
18y=-24x-7
The equation is in standard form.
\frac{18y}{18}=\frac{-24x-7}{18}
Divide both sides by 18.
y=\frac{-24x-7}{18}
Dividing by 18 undoes the multiplication by 18.
y=-\frac{4x}{3}-\frac{7}{18}
Divide -7-24x by 18.
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