7x+13=3x-9

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Solution for 7x+13=3x-9 equation:


Simplifying
7x + 13 = 3x + -9

Reorder the terms:
13 + 7x = 3x + -9

Reorder the terms:
13 + 7x = -9 + 3x

Solving
13 + 7x = -9 + 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.
13 + 7x + -3x = -9 + 3x + -3x

Combine like terms: 7x + -3x = 4x
13 + 4x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
13 + 4x = -9 + 0
13 + 4x = -9

Add '-13' to each side of the equation.
13 + -13 + 4x = -9 + -13

Combine like terms: 13 + -13 = 0
0 + 4x = -9 + -13
4x = -9 + -13

Combine like terms: -9 + -13 = -22
4x = -22

Divide each side by '4'.
x = -5.5

Simplifying
x = -5.5

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