8x+4+15x-18=90

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Solution for 8x+4+15x-18=90 equation:


Simplifying
8x + 4 + 15x + -18 = 90

Reorder the terms:
4 + -18 + 8x + 15x = 90

Combine like terms: 4 + -18 = -14
-14 + 8x + 15x = 90

Combine like terms: 8x + 15x = 23x
-14 + 23x = 90

Solving
-14 + 23x = 90

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 23x = 90 + 14

Combine like terms: -14 + 14 = 0
0 + 23x = 90 + 14
23x = 90 + 14

Combine like terms: 90 + 14 = 104
23x = 104

Divide each side by '23'.
x = 4.52173913

Simplifying
x = 4.52173913

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