142=(x-7)+(2x-1)

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Solution for 142=(x-7)+(2x-1) equation:


Simplifying
142 = (x + -7) + (2x + -1)

Reorder the terms:
142 = (-7 + x) + (2x + -1)

Remove parenthesis around (-7 + x)
142 = -7 + x + (2x + -1)

Reorder the terms:
142 = -7 + x + (-1 + 2x)

Remove parenthesis around (-1 + 2x)
142 = -7 + x + -1 + 2x

Reorder the terms:
142 = -7 + -1 + x + 2x

Combine like terms: -7 + -1 = -8
142 = -8 + x + 2x

Combine like terms: x + 2x = 3x
142 = -8 + 3x

Solving
142 = -8 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
142 + -3x = -8 + 3x + -3x

Combine like terms: 3x + -3x = 0
142 + -3x = -8 + 0
142 + -3x = -8

Add '-142' to each side of the equation.
142 + -142 + -3x = -8 + -142

Combine like terms: 142 + -142 = 0
0 + -3x = -8 + -142
-3x = -8 + -142

Combine like terms: -8 + -142 = -150
-3x = -150

Divide each side by '-3'.
x = 50

Simplifying
x = 50

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