21x-3=15x+3

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


Simplifying
21x + -3 = 15x + 3

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

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

Solving
-3 + 21x = 3 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-3 + 21x + -15x = 3 + 15x + -15x

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

Combine like terms: 15x + -15x = 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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