15x-3-4x=21x-8-25

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Solution for 15x-3-4x=21x-8-25 equation:


Simplifying
15x + -3 + -4x = 21x + -8 + -25

Reorder the terms:
-3 + 15x + -4x = 21x + -8 + -25

Combine like terms: 15x + -4x = 11x
-3 + 11x = 21x + -8 + -25

Reorder the terms:
-3 + 11x = -8 + -25 + 21x

Combine like terms: -8 + -25 = -33
-3 + 11x = -33 + 21x

Solving
-3 + 11x = -33 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-3 + 11x + -21x = -33 + 21x + -21x

Combine like terms: 11x + -21x = -10x
-3 + -10x = -33 + 21x + -21x

Combine like terms: 21x + -21x = 0
-3 + -10x = -33 + 0
-3 + -10x = -33

Add '3' to each side of the equation.
-3 + 3 + -10x = -33 + 3

Combine like terms: -3 + 3 = 0
0 + -10x = -33 + 3
-10x = -33 + 3

Combine like terms: -33 + 3 = -30
-10x = -30

Divide each side by '-10'.
x = 3

Simplifying
x = 3

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