500=45*x+35(12-x)

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Solution for 500=45*x+35(12-x) equation:


Simplifying
500 = 45x + 35(12 + -1x)
500 = 45x + (12 * 35 + -1x * 35)
500 = 45x + (420 + -35x)

Reorder the terms:
500 = 420 + 45x + -35x

Combine like terms: 45x + -35x = 10x
500 = 420 + 10x

Solving
500 = 420 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
500 + -10x = 420 + 10x + -10x

Combine like terms: 10x + -10x = 0
500 + -10x = 420 + 0
500 + -10x = 420

Add '-500' to each side of the equation.
500 + -500 + -10x = 420 + -500

Combine like terms: 500 + -500 = 0
0 + -10x = 420 + -500
-10x = 420 + -500

Combine like terms: 420 + -500 = -80
-10x = -80

Divide each side by '-10'.
x = 8

Simplifying
x = 8

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