45x+30(200-x)=7125

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Solution for 45x+30(200-x)=7125 equation:


Simplifying
45x + 30(200 + -1x) = 7125
45x + (200 * 30 + -1x * 30) = 7125
45x + (6000 + -30x) = 7125

Reorder the terms:
6000 + 45x + -30x = 7125

Combine like terms: 45x + -30x = 15x
6000 + 15x = 7125

Solving
6000 + 15x = 7125

Solving for variable 'x'.

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

Add '-6000' to each side of the equation.
6000 + -6000 + 15x = 7125 + -6000

Combine like terms: 6000 + -6000 = 0
0 + 15x = 7125 + -6000
15x = 7125 + -6000

Combine like terms: 7125 + -6000 = 1125
15x = 1125

Divide each side by '15'.
x = 75

Simplifying
x = 75

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