3(x+4)=20+13x

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Solution for 3(x+4)=20+13x equation:


Simplifying
3(x + 4) = 20 + 13x

Reorder the terms:
3(4 + x) = 20 + 13x
(4 * 3 + x * 3) = 20 + 13x
(12 + 3x) = 20 + 13x

Solving
12 + 3x = 20 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
12 + 3x + -13x = 20 + 13x + -13x

Combine like terms: 3x + -13x = -10x
12 + -10x = 20 + 13x + -13x

Combine like terms: 13x + -13x = 0
12 + -10x = 20 + 0
12 + -10x = 20

Add '-12' to each side of the equation.
12 + -12 + -10x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -10x = 20 + -12
-10x = 20 + -12

Combine like terms: 20 + -12 = 8
-10x = 8

Divide each side by '-10'.
x = -0.8

Simplifying
x = -0.8

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