90=(15x-43)+(8x+18)

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Solution for 90=(15x-43)+(8x+18) equation: 


Simplifying
90 = (15x + -43) + (8x + 18)

Reorder the terms:
90 = (-43 + 15x) + (8x + 18)

Remove parenthesis around (-43 + 15x)
90 = -43 + 15x + (8x + 18)

Reorder the terms:
90 = -43 + 15x + (18 + 8x)

Remove parenthesis around (18 + 8x)
90 = -43 + 15x + 18 + 8x

Reorder the terms:
90 = -43 + 18 + 15x + 8x

Combine like terms: -43 + 18 = -25
90 = -25 + 15x + 8x

Combine like terms: 15x + 8x = 23x
90 = -25 + 23x

Solving
90 = -25 + 23x

Solving for variable 'x'.

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

Add '-23x' to each side of the equation.
90 + -23x = -25 + 23x + -23x

Combine like terms: 23x + -23x = 0
90 + -23x = -25 + 0
90 + -23x = -25

Add '-90' to each side of the equation.
90 + -90 + -23x = -25 + -90

Combine like terms: 90 + -90 = 0
0 + -23x = -25 + -90
-23x = -25 + -90

Combine like terms: -25 + -90 = -115
-23x = -115

Divide each side by '-23'.
x = 5

Simplifying
x = 5

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