1200-870=30x

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Solution for 1200-870=30x equation:


Simplifying
1200 + -870 = 30x

Combine like terms: 1200 + -870 = 330
330 = 30x

Solving
330 = 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
330 + -30x = 30x + -30x

Combine like terms: 30x + -30x = 0
330 + -30x = 0

Add '-330' to each side of the equation.
330 + -330 + -30x = 0 + -330

Combine like terms: 330 + -330 = 0
0 + -30x = 0 + -330
-30x = 0 + -330

Combine like terms: 0 + -330 = -330
-30x = -330

Divide each side by '-30'.
x = 11

Simplifying
x = 11

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