Skip to main content
Solve for a
Tick mark Image
Solve for b
Tick mark Image

Similar Problems from Web Search

Share

3a+2\times 2b=12
Multiply both sides of the equation by 12, the least common multiple of 4,6.
3a+4b=12
Multiply 2 and 2 to get 4.
3a=12-4b
Subtract 4b from both sides.
\frac{3a}{3}=\frac{12-4b}{3}
Divide both sides by 3.
a=\frac{12-4b}{3}
Dividing by 3 undoes the multiplication by 3.
a=-\frac{4b}{3}+4
Divide 12-4b by 3.
3a+2\times 2b=12
Multiply both sides of the equation by 12, the least common multiple of 4,6.
3a+4b=12
Multiply 2 and 2 to get 4.
4b=12-3a
Subtract 3a from both sides.
\frac{4b}{4}=\frac{12-3a}{4}
Divide both sides by 4.
b=\frac{12-3a}{4}
Dividing by 4 undoes the multiplication by 4.
b=-\frac{3a}{4}+3
Divide 12-3a by 4.