120+12(30)+x=900

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Solution for 120+12(30)+x=900 equation:


Simplifying
120 + 12(30) + x = 900

Multiply 12 * 30
120 + 360 + x = 900

Combine like terms: 120 + 360 = 480
480 + x = 900

Solving
480 + x = 900

Solving for variable 'x'.

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

Add '-480' to each side of the equation.
480 + -480 + x = 900 + -480

Combine like terms: 480 + -480 = 0
0 + x = 900 + -480
x = 900 + -480

Combine like terms: 900 + -480 = 420
x = 420

Simplifying
x = 420

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