8x-13+5x+17=x+21

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Solution for 8x-13+5x+17=x+21 equation:


Simplifying
8x + -13 + 5x + 17 = x + 21

Reorder the terms:
-13 + 17 + 8x + 5x = x + 21

Combine like terms: -13 + 17 = 4
4 + 8x + 5x = x + 21

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

Reorder the terms:
4 + 13x = 21 + x

Solving
4 + 13x = 21 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
4 + 13x + -1x = 21 + x + -1x

Combine like terms: 13x + -1x = 12x
4 + 12x = 21 + x + -1x

Combine like terms: x + -1x = 0
4 + 12x = 21 + 0
4 + 12x = 21

Add '-4' to each side of the equation.
4 + -4 + 12x = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 12x = 21 + -4
12x = 21 + -4

Combine like terms: 21 + -4 = 17
12x = 17

Divide each side by '12'.
x = 1.416666667

Simplifying
x = 1.416666667

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