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

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


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

Reorder the terms:
3x + -4(3 + x) = -20 + -3x
3x + (3 * -4 + x * -4) = -20 + -3x
3x + (-12 + -4x) = -20 + -3x

Reorder the terms:
-12 + 3x + -4x = -20 + -3x

Combine like terms: 3x + -4x = -1x
-12 + -1x = -20 + -3x

Solving
-12 + -1x = -20 + -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.
-12 + -1x + 3x = -20 + -3x + 3x

Combine like terms: -1x + 3x = 2x
-12 + 2x = -20 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 + 2x = -20 + 0
-12 + 2x = -20

Add '12' to each side of the equation.
-12 + 12 + 2x = -20 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = -20 + 12
2x = -20 + 12

Combine like terms: -20 + 12 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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