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4x\left(1+2y\right)-3x\left(1+4y\right)=12\times 146y
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 72x, the least common multiple of 18,24,6x.
4x+8yx-3x\left(1+4y\right)=12\times 146y
Use the distributive property to multiply 4x by 1+2y.
4x+8yx-\left(3x+12yx\right)=12\times 146y
Use the distributive property to multiply 3x by 1+4y.
4x+8yx-3x-12yx=12\times 146y
To find the opposite of 3x+12yx, find the opposite of each term.
x+8yx-12yx=12\times 146y
Combine 4x and -3x to get x.
x-4yx=12\times 146y
Combine 8yx and -12yx to get -4yx.
x-4yx=1752y
Multiply 12 and 146 to get 1752.
\left(1-4y\right)x=1752y
Combine all terms containing x.
\frac{\left(1-4y\right)x}{1-4y}=\frac{1752y}{1-4y}
Divide both sides by 1-4y.
x=\frac{1752y}{1-4y}
Dividing by 1-4y undoes the multiplication by 1-4y.
x=\frac{1752y}{1-4y}\text{, }x\neq 0
Variable x cannot be equal to 0.
4x\left(1+2y\right)-3x\left(1+4y\right)=12\times 146y
Multiply both sides of the equation by 72x, the least common multiple of 18,24,6x.
4x+8yx-3x\left(1+4y\right)=12\times 146y
Use the distributive property to multiply 4x by 1+2y.
4x+8yx-\left(3x+12yx\right)=12\times 146y
Use the distributive property to multiply 3x by 1+4y.
4x+8yx-3x-12yx=12\times 146y
To find the opposite of 3x+12yx, find the opposite of each term.
x+8yx-12yx=12\times 146y
Combine 4x and -3x to get x.
x-4yx=12\times 146y
Combine 8yx and -12yx to get -4yx.
x-4yx=1752y
Multiply 12 and 146 to get 1752.
x-4yx-1752y=0
Subtract 1752y from both sides.
-4yx-1752y=-x
Subtract x from both sides. Anything subtracted from zero gives its negation.
\left(-4x-1752\right)y=-x
Combine all terms containing y.
\frac{\left(-4x-1752\right)y}{-4x-1752}=-\frac{x}{-4x-1752}
Divide both sides by -1752-4x.
y=-\frac{x}{-4x-1752}
Dividing by -1752-4x undoes the multiplication by -1752-4x.
y=\frac{x}{4\left(x+438\right)}
Divide -x by -1752-4x.