4x+5=-8+2x+21

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Solution for 4x+5=-8+2x+21 equation:


Simplifying
4x + 5 = -8 + 2x + 21

Reorder the terms:
5 + 4x = -8 + 2x + 21

Reorder the terms:
5 + 4x = -8 + 21 + 2x

Combine like terms: -8 + 21 = 13
5 + 4x = 13 + 2x

Solving
5 + 4x = 13 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
5 + 4x + -2x = 13 + 2x + -2x

Combine like terms: 4x + -2x = 2x
5 + 2x = 13 + 2x + -2x

Combine like terms: 2x + -2x = 0
5 + 2x = 13 + 0
5 + 2x = 13

Add '-5' to each side of the equation.
5 + -5 + 2x = 13 + -5

Combine like terms: 5 + -5 = 0
0 + 2x = 13 + -5
2x = 13 + -5

Combine like terms: 13 + -5 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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