15x-21=8x+2

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Solution for 15x-21=8x+2 equation:


Simplifying
15x + -21 = 8x + 2

Reorder the terms:
-21 + 15x = 8x + 2

Reorder the terms:
-21 + 15x = 2 + 8x

Solving
-21 + 15x = 2 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-21 + 15x + -8x = 2 + 8x + -8x

Combine like terms: 15x + -8x = 7x
-21 + 7x = 2 + 8x + -8x

Combine like terms: 8x + -8x = 0
-21 + 7x = 2 + 0
-21 + 7x = 2

Add '21' to each side of the equation.
-21 + 21 + 7x = 2 + 21

Combine like terms: -21 + 21 = 0
0 + 7x = 2 + 21
7x = 2 + 21

Combine like terms: 2 + 21 = 23
7x = 23

Divide each side by '7'.
x = 3.285714286

Simplifying
x = 3.285714286

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