3x+2x+18+12=90

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Solution for 3x+2x+18+12=90 equation:


Simplifying
3x + 2x + 18 + 12 = 90

Reorder the terms:
18 + 12 + 3x + 2x = 90

Combine like terms: 18 + 12 = 30
30 + 3x + 2x = 90

Combine like terms: 3x + 2x = 5x
30 + 5x = 90

Solving
30 + 5x = 90

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 5x = 90 + -30

Combine like terms: 30 + -30 = 0
0 + 5x = 90 + -30
5x = 90 + -30

Combine like terms: 90 + -30 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

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