7(12-2x)=4(-3x)

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Solution for 7(12-2x)=4(-3x) equation:


Simplifying
7(12 + -2x) = 4(-3x)
(12 * 7 + -2x * 7) = 4(-3x)
(84 + -14x) = 4(-3x)

Remove parenthesis around (-3x)
84 + -14x = 4 * -3x

Multiply 4 * -3
84 + -14x = -12x

Solving
84 + -14x = -12x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '12x' to each side of the equation.
84 + -14x + 12x = -12x + 12x

Combine like terms: -14x + 12x = -2x
84 + -2x = -12x + 12x

Combine like terms: -12x + 12x = 0
84 + -2x = 0

Add '-84' to each side of the equation.
84 + -84 + -2x = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -2x = 0 + -84
-2x = 0 + -84

Combine like terms: 0 + -84 = -84
-2x = -84

Divide each side by '-2'.
x = 42

Simplifying
x = 42

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