90-x+3(180-x)=242

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Solution for 90-x+3(180-x)=242 equation:


Simplifying
90 + -1x + 3(180 + -1x) = 242
90 + -1x + (180 * 3 + -1x * 3) = 242
90 + -1x + (540 + -3x) = 242

Reorder the terms:
90 + 540 + -1x + -3x = 242

Combine like terms: 90 + 540 = 630
630 + -1x + -3x = 242

Combine like terms: -1x + -3x = -4x
630 + -4x = 242

Solving
630 + -4x = 242

Solving for variable 'x'.

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

Add '-630' to each side of the equation.
630 + -630 + -4x = 242 + -630

Combine like terms: 630 + -630 = 0
0 + -4x = 242 + -630
-4x = 242 + -630

Combine like terms: 242 + -630 = -388
-4x = -388

Divide each side by '-4'.
x = 97

Simplifying
x = 97

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