720=-40x+1200

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Solution for 720=-40x+1200 equation:


Simplifying
720 = -40x + 1200

Reorder the terms:
720 = 1200 + -40x

Solving
720 = 1200 + -40x

Solving for variable 'x'.

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

Add '40x' to each side of the equation.
720 + 40x = 1200 + -40x + 40x

Combine like terms: -40x + 40x = 0
720 + 40x = 1200 + 0
720 + 40x = 1200

Add '-720' to each side of the equation.
720 + -720 + 40x = 1200 + -720

Combine like terms: 720 + -720 = 0
0 + 40x = 1200 + -720
40x = 1200 + -720

Combine like terms: 1200 + -720 = 480
40x = 480

Divide each side by '40'.
x = 12

Simplifying
x = 12

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