.04+.07(9000-x)=540

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Solution for .04+.07(9000-x)=540 equation:


Simplifying
0.04 + 0.07(9000 + -1x) = 540
0.04 + (9000 * 0.07 + -1x * 0.07) = 540
0.04 + (630 + -0.07x) = 540

Combine like terms: 0.04 + 630 = 630.04
630.04 + -0.07x = 540

Solving
630.04 + -0.07x = 540

Solving for variable 'x'.

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

Add '-630.04' to each side of the equation.
630.04 + -630.04 + -0.07x = 540 + -630.04

Combine like terms: 630.04 + -630.04 = 0.00
0.00 + -0.07x = 540 + -630.04
-0.07x = 540 + -630.04

Combine like terms: 540 + -630.04 = -90.04
-0.07x = -90.04

Divide each side by '-0.07'.
x = 1286.285714

Simplifying
x = 1286.285714

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