3x+7=20-13x

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Solution for 3x+7=20-13x equation:


Simplifying
3x + 7 = 20 + -13x

Reorder the terms:
7 + 3x = 20 + -13x

Solving
7 + 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.
7 + 3x + 13x = 20 + -13x + 13x

Combine like terms: 3x + 13x = 16x
7 + 16x = 20 + -13x + 13x

Combine like terms: -13x + 13x = 0
7 + 16x = 20 + 0
7 + 16x = 20

Add '-7' to each side of the equation.
7 + -7 + 16x = 20 + -7

Combine like terms: 7 + -7 = 0
0 + 16x = 20 + -7
16x = 20 + -7

Combine like terms: 20 + -7 = 13
16x = 13

Divide each side by '16'.
x = 0.8125

Simplifying
x = 0.8125

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