15x+3=21x-3

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


Simplifying
15x + 3 = 21x + -3

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

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

Solving
3 + 15x = -3 + 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 + 15x + -21x = -3 + 21x + -21x

Combine like terms: 15x + -21x = -6x
3 + -6x = -3 + 21x + -21x

Combine like terms: 21x + -21x = 0
3 + -6x = -3 + 0
3 + -6x = -3

Add '-3' to each side of the equation.
3 + -3 + -6x = -3 + -3

Combine like terms: 3 + -3 = 0
0 + -6x = -3 + -3
-6x = -3 + -3

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

Divide each side by '-6'.
x = 1

Simplifying
x = 1

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