x+10+3x+18=90

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Solution for x+10+3x+18=90 equation:


Simplifying
x + 10 + 3x + 18 = 90

Reorder the terms:
10 + 18 + x + 3x = 90

Combine like terms: 10 + 18 = 28
28 + x + 3x = 90

Combine like terms: x + 3x = 4x
28 + 4x = 90

Solving
28 + 4x = 90

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 4x = 90 + -28

Combine like terms: 28 + -28 = 0
0 + 4x = 90 + -28
4x = 90 + -28

Combine like terms: 90 + -28 = 62
4x = 62

Divide each side by '4'.
x = 15.5

Simplifying
x = 15.5

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