2x+21+3x-4=55-3x+34

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Solution for 2x+21+3x-4=55-3x+34 equation:


Simplifying
2x + 21 + 3x + -4 = 55 + -3x + 34

Reorder the terms:
21 + -4 + 2x + 3x = 55 + -3x + 34

Combine like terms: 21 + -4 = 17
17 + 2x + 3x = 55 + -3x + 34

Combine like terms: 2x + 3x = 5x
17 + 5x = 55 + -3x + 34

Reorder the terms:
17 + 5x = 55 + 34 + -3x

Combine like terms: 55 + 34 = 89
17 + 5x = 89 + -3x

Solving
17 + 5x = 89 + -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.
17 + 5x + 3x = 89 + -3x + 3x

Combine like terms: 5x + 3x = 8x
17 + 8x = 89 + -3x + 3x

Combine like terms: -3x + 3x = 0
17 + 8x = 89 + 0
17 + 8x = 89

Add '-17' to each side of the equation.
17 + -17 + 8x = 89 + -17

Combine like terms: 17 + -17 = 0
0 + 8x = 89 + -17
8x = 89 + -17

Combine like terms: 89 + -17 = 72
8x = 72

Divide each side by '8'.
x = 9

Simplifying
x = 9

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