140=(x+2)+(3x+1)+(x+7)

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Solution for 140=(x+2)+(3x+1)+(x+7) equation:


Simplifying
140 = (x + 2) + (3x + 1) + (x + 7)

Reorder the terms:
140 = (2 + x) + (3x + 1) + (x + 7)

Remove parenthesis around (2 + x)
140 = 2 + x + (3x + 1) + (x + 7)

Reorder the terms:
140 = 2 + x + (1 + 3x) + (x + 7)

Remove parenthesis around (1 + 3x)
140 = 2 + x + 1 + 3x + (x + 7)

Reorder the terms:
140 = 2 + x + 1 + 3x + (7 + x)

Remove parenthesis around (7 + x)
140 = 2 + x + 1 + 3x + 7 + x

Reorder the terms:
140 = 2 + 1 + 7 + x + 3x + x

Combine like terms: 2 + 1 = 3
140 = 3 + 7 + x + 3x + x

Combine like terms: 3 + 7 = 10
140 = 10 + x + 3x + x

Combine like terms: x + 3x = 4x
140 = 10 + 4x + x

Combine like terms: 4x + x = 5x
140 = 10 + 5x

Solving
140 = 10 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
140 + -5x = 10 + 5x + -5x

Combine like terms: 5x + -5x = 0
140 + -5x = 10 + 0
140 + -5x = 10

Add '-140' to each side of the equation.
140 + -140 + -5x = 10 + -140

Combine like terms: 140 + -140 = 0
0 + -5x = 10 + -140
-5x = 10 + -140

Combine like terms: 10 + -140 = -130
-5x = -130

Divide each side by '-5'.
x = 26

Simplifying
x = 26

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