15x-21=-7x

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Solution for 15x-21=-7x equation:


Simplifying
15x + -21 = -7x

Reorder the terms:
-21 + 15x = -7x

Solving
-21 + 15x = -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-21 + 15x + 7x = -7x + 7x

Combine like terms: 15x + 7x = 22x
-21 + 22x = -7x + 7x

Combine like terms: -7x + 7x = 0
-21 + 22x = 0

Add '21' to each side of the equation.
-21 + 21 + 22x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 22x = 0 + 21
22x = 0 + 21

Combine like terms: 0 + 21 = 21
22x = 21

Divide each side by '22'.
x = 0.9545454545

Simplifying
x = 0.9545454545

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