75=x+(3-x)+x+(4-2x)

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Solution for 75=x+(3-x)+x+(4-2x) equation:


Simplifying
75 = x + (3 + -1x) + x + (4 + -2x)

Remove parenthesis around (3 + -1x)
75 = x + 3 + -1x + x + (4 + -2x)

Remove parenthesis around (4 + -2x)
75 = x + 3 + -1x + x + 4 + -2x

Reorder the terms:
75 = 3 + 4 + x + -1x + x + -2x

Combine like terms: 3 + 4 = 7
75 = 7 + x + -1x + x + -2x

Combine like terms: x + -1x = 0
75 = 7 + 0 + x + -2x
75 = 7 + x + -2x

Combine like terms: x + -2x = -1x
75 = 7 + -1x

Solving
75 = 7 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
75 + x = 7 + -1x + x

Combine like terms: -1x + x = 0
75 + x = 7 + 0
75 + x = 7

Add '-75' to each side of the equation.
75 + -75 + x = 7 + -75

Combine like terms: 75 + -75 = 0
0 + x = 7 + -75
x = 7 + -75

Combine like terms: 7 + -75 = -68
x = -68

Simplifying
x = -68

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