0.04x+0.09*(100000-x)=3000

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Solution for 0.04x+0.09*(100000-x)=3000 equation:


Simplifying
0.04x + 0.09(100000 + -1x) = 3000
0.04x + (100000 * 0.09 + -1x * 0.09) = 3000
0.04x + (9000 + -0.09x) = 3000

Reorder the terms:
9000 + 0.04x + -0.09x = 3000

Combine like terms: 0.04x + -0.09x = -0.05x
9000 + -0.05x = 3000

Solving
9000 + -0.05x = 3000

Solving for variable 'x'.

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

Add '-9000' to each side of the equation.
9000 + -9000 + -0.05x = 3000 + -9000

Combine like terms: 9000 + -9000 = 0
0 + -0.05x = 3000 + -9000
-0.05x = 3000 + -9000

Combine like terms: 3000 + -9000 = -6000
-0.05x = -6000

Divide each side by '-0.05'.
x = 120000

Simplifying
x = 120000

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