15=7x+8x

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Solution for 15=7x+8x equation:


Simplifying
15 = 7x + 8x

Combine like terms: 7x + 8x = 15x
15 = 15x

Solving
15 = 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.
15 + -15x = 15x + -15x

Combine like terms: 15x + -15x = 0
15 + -15x = 0

Add '-15' to each side of the equation.
15 + -15 + -15x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -15x = 0 + -15
-15x = 0 + -15

Combine like terms: 0 + -15 = -15
-15x = -15

Divide each side by '-15'.
x = 1

Simplifying
x = 1

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