5x-15+4x-8=7

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Solution for 5x-15+4x-8=7 equation:


Simplifying
5x + -15 + 4x + -8 = 7

Reorder the terms:
-15 + -8 + 5x + 4x = 7

Combine like terms: -15 + -8 = -23
-23 + 5x + 4x = 7

Combine like terms: 5x + 4x = 9x
-23 + 9x = 7

Solving
-23 + 9x = 7

Solving for variable 'x'.

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

Add '23' to each side of the equation.
-23 + 23 + 9x = 7 + 23

Combine like terms: -23 + 23 = 0
0 + 9x = 7 + 23
9x = 7 + 23

Combine like terms: 7 + 23 = 30
9x = 30

Divide each side by '9'.
x = 3.333333333

Simplifying
x = 3.333333333

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