x+42+3x+20=102

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Solution for x+42+3x+20=102 equation:


Simplifying
x + 42 + 3x + 20 = 102

Reorder the terms:
42 + 20 + x + 3x = 102

Combine like terms: 42 + 20 = 62
62 + x + 3x = 102

Combine like terms: x + 3x = 4x
62 + 4x = 102

Solving
62 + 4x = 102

Solving for variable 'x'.

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

Add '-62' to each side of the equation.
62 + -62 + 4x = 102 + -62

Combine like terms: 62 + -62 = 0
0 + 4x = 102 + -62
4x = 102 + -62

Combine like terms: 102 + -62 = 40
4x = 40

Divide each side by '4'.
x = 10

Simplifying
x = 10

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