3(x+3x)=2(2x-40)

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Solution for 3(x+3x)=2(2x-40) equation:


Simplifying
3(x + 3x) = 2(2x + -40)

Combine like terms: x + 3x = 4x
3(4x) = 2(2x + -40)

Remove parenthesis around (4x)
3 * 4x = 2(2x + -40)

Multiply 3 * 4
12x = 2(2x + -40)

Reorder the terms:
12x = 2(-40 + 2x)
12x = (-40 * 2 + 2x * 2)
12x = (-80 + 4x)

Solving
12x = -80 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
12x + -4x = -80 + 4x + -4x

Combine like terms: 12x + -4x = 8x
8x = -80 + 4x + -4x

Combine like terms: 4x + -4x = 0
8x = -80 + 0
8x = -80

Divide each side by '8'.
x = -10

Simplifying
x = -10

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