15x+20-10x-9=25x+8+21x-7

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Solution for 15x+20-10x-9=25x+8+21x-7 equation:


Simplifying
15x + 20 + -10x + -9 = 25x + 8 + 21x + -7

Reorder the terms:
20 + -9 + 15x + -10x = 25x + 8 + 21x + -7

Combine like terms: 20 + -9 = 11
11 + 15x + -10x = 25x + 8 + 21x + -7

Combine like terms: 15x + -10x = 5x
11 + 5x = 25x + 8 + 21x + -7

Reorder the terms:
11 + 5x = 8 + -7 + 25x + 21x

Combine like terms: 8 + -7 = 1
11 + 5x = 1 + 25x + 21x

Combine like terms: 25x + 21x = 46x
11 + 5x = 1 + 46x

Solving
11 + 5x = 1 + 46x

Solving for variable 'x'.

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

Add '-46x' to each side of the equation.
11 + 5x + -46x = 1 + 46x + -46x

Combine like terms: 5x + -46x = -41x
11 + -41x = 1 + 46x + -46x

Combine like terms: 46x + -46x = 0
11 + -41x = 1 + 0
11 + -41x = 1

Add '-11' to each side of the equation.
11 + -11 + -41x = 1 + -11

Combine like terms: 11 + -11 = 0
0 + -41x = 1 + -11
-41x = 1 + -11

Combine like terms: 1 + -11 = -10
-41x = -10

Divide each side by '-41'.
x = 0.243902439

Simplifying
x = 0.243902439

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