15x+21-10x=8x+27

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Solution for 15x+21-10x=8x+27 equation:


Simplifying
15x + 21 + -10x = 8x + 27

Reorder the terms:
21 + 15x + -10x = 8x + 27

Combine like terms: 15x + -10x = 5x
21 + 5x = 8x + 27

Reorder the terms:
21 + 5x = 27 + 8x

Solving
21 + 5x = 27 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
21 + 5x + -8x = 27 + 8x + -8x

Combine like terms: 5x + -8x = -3x
21 + -3x = 27 + 8x + -8x

Combine like terms: 8x + -8x = 0
21 + -3x = 27 + 0
21 + -3x = 27

Add '-21' to each side of the equation.
21 + -21 + -3x = 27 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = 27 + -21
-3x = 27 + -21

Combine like terms: 27 + -21 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

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