x+2x+x+30=102

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Solution for x+2x+x+30=102 equation:


Simplifying
x + 2x + x + 30 = 102

Reorder the terms:
30 + x + 2x + x = 102

Combine like terms: x + 2x = 3x
30 + 3x + x = 102

Combine like terms: 3x + x = 4x
30 + 4x = 102

Solving
30 + 4x = 102

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 + 4x = 102 + -30

Combine like terms: 30 + -30 = 0
0 + 4x = 102 + -30
4x = 102 + -30

Combine like terms: 102 + -30 = 72
4x = 72

Divide each side by '4'.
x = 18

Simplifying
x = 18

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