140=-x+285

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Solution for 140=-x+285 equation:


Simplifying
140 = -1x + 285

Reorder the terms:
140 = 285 + -1x

Solving
140 = 285 + -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.
140 + x = 285 + -1x + x

Combine like terms: -1x + x = 0
140 + x = 285 + 0
140 + x = 285

Add '-140' to each side of the equation.
140 + -140 + x = 285 + -140

Combine like terms: 140 + -140 = 0
0 + x = 285 + -140
x = 285 + -140

Combine like terms: 285 + -140 = 145
x = 145

Simplifying
x = 145

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