0.15x+0.07(70000-x)=9000

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Solution for 0.15x+0.07(70000-x)=9000 equation:


Simplifying
0.15x + 0.07(70000 + -1x) = 9000
0.15x + (70000 * 0.07 + -1x * 0.07) = 9000
0.15x + (4900 + -0.07x) = 9000

Reorder the terms:
4900 + 0.15x + -0.07x = 9000

Combine like terms: 0.15x + -0.07x = 0.08x
4900 + 0.08x = 9000

Solving
4900 + 0.08x = 9000

Solving for variable 'x'.

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

Add '-4900' to each side of the equation.
4900 + -4900 + 0.08x = 9000 + -4900

Combine like terms: 4900 + -4900 = 0
0 + 0.08x = 9000 + -4900
0.08x = 9000 + -4900

Combine like terms: 9000 + -4900 = 4100
0.08x = 4100

Divide each side by '0.08'.
x = 51250

Simplifying
x = 51250

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