15x+25=10+3x-21

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Solution for 15x+25=10+3x-21 equation:


Simplifying
15x + 25 = 10 + 3x + -21

Reorder the terms:
25 + 15x = 10 + 3x + -21

Reorder the terms:
25 + 15x = 10 + -21 + 3x

Combine like terms: 10 + -21 = -11
25 + 15x = -11 + 3x

Solving
25 + 15x = -11 + 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.
25 + 15x + -3x = -11 + 3x + -3x

Combine like terms: 15x + -3x = 12x
25 + 12x = -11 + 3x + -3x

Combine like terms: 3x + -3x = 0
25 + 12x = -11 + 0
25 + 12x = -11

Add '-25' to each side of the equation.
25 + -25 + 12x = -11 + -25

Combine like terms: 25 + -25 = 0
0 + 12x = -11 + -25
12x = -11 + -25

Combine like terms: -11 + -25 = -36
12x = -36

Divide each side by '12'.
x = -3

Simplifying
x = -3

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