3x-5+5x+15=90

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Solution for 3x-5+5x+15=90 equation: 


Simplifying
3x + -5 + 5x + 15 = 90

Reorder the terms:
-5 + 15 + 3x + 5x = 90

Combine like terms: -5 + 15 = 10
10 + 3x + 5x = 90

Combine like terms: 3x + 5x = 8x
10 + 8x = 90

Solving
10 + 8x = 90

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 8x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 8x = 90 + -10
8x = 90 + -10

Combine like terms: 90 + -10 = 80
8x = 80

Divide each side by '8'.
x = 10

Simplifying
x = 10

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