7x+4x=3x-12(20)

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Solution for 7x+4x=3x-12(20) equation:


Simplifying
7x + 4x = 3x + -12(20)

Combine like terms: 7x + 4x = 11x
11x = 3x + -12(20)

Multiply -12 * 20
11x = 3x + -240

Reorder the terms:
11x = -240 + 3x

Solving
11x = -240 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
11x + -3x = -240 + 3x + -3x

Combine like terms: 11x + -3x = 8x
8x = -240 + 3x + -3x

Combine like terms: 3x + -3x = 0
8x = -240 + 0
8x = -240

Divide each side by '8'.
x = -30

Simplifying
x = -30

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