7x+5=-8+3x+21

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Solution for 7x+5=-8+3x+21 equation:


Simplifying
7x + 5 = -8 + 3x + 21

Reorder the terms:
5 + 7x = -8 + 3x + 21

Reorder the terms:
5 + 7x = -8 + 21 + 3x

Combine like terms: -8 + 21 = 13
5 + 7x = 13 + 3x

Solving
5 + 7x = 13 + 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.
5 + 7x + -3x = 13 + 3x + -3x

Combine like terms: 7x + -3x = 4x
5 + 4x = 13 + 3x + -3x

Combine like terms: 3x + -3x = 0
5 + 4x = 13 + 0
5 + 4x = 13

Add '-5' to each side of the equation.
5 + -5 + 4x = 13 + -5

Combine like terms: 5 + -5 = 0
0 + 4x = 13 + -5
4x = 13 + -5

Combine like terms: 13 + -5 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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