.04x+.07(15000-x)=900

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Solution for .04x+.07(15000-x)=900 equation:


Simplifying
0.04x + 0.07(15000 + -1x) = 900
0.04x + (15000 * 0.07 + -1x * 0.07) = 900
0.04x + (1050 + -0.07x) = 900

Reorder the terms:
1050 + 0.04x + -0.07x = 900

Combine like terms: 0.04x + -0.07x = -0.03x
1050 + -0.03x = 900

Solving
1050 + -0.03x = 900

Solving for variable 'x'.

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

Add '-1050' to each side of the equation.
1050 + -1050 + -0.03x = 900 + -1050

Combine like terms: 1050 + -1050 = 0
0 + -0.03x = 900 + -1050
-0.03x = 900 + -1050

Combine like terms: 900 + -1050 = -150
-0.03x = -150

Divide each side by '-0.03'.
x = 5000

Simplifying
x = 5000

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