8x+7x+3x=90

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Solution for 8x+7x+3x=90 equation: 


Simplifying
8x + 7x + 3x = 90

Combine like terms: 8x + 7x = 15x
15x + 3x = 90

Combine like terms: 15x + 3x = 18x
18x = 90

Solving
18x = 90

Solving for variable 'x'.

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

Divide each side by '18'.
x = 5

Simplifying
x = 5

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