.07x+.05(80000-x)=4900

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Solution for .07x+.05(80000-x)=4900 equation:


Simplifying
0.07x + 0.05(80000 + -1x) = 4900
0.07x + (80000 * 0.05 + -1x * 0.05) = 4900
0.07x + (4000 + -0.05x) = 4900

Reorder the terms:
4000 + 0.07x + -0.05x = 4900

Combine like terms: 0.07x + -0.05x = 0.02x
4000 + 0.02x = 4900

Solving
4000 + 0.02x = 4900

Solving for variable 'x'.

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

Add '-4000' to each side of the equation.
4000 + -4000 + 0.02x = 4900 + -4000

Combine like terms: 4000 + -4000 = 0
0 + 0.02x = 4900 + -4000
0.02x = 4900 + -4000

Combine like terms: 4900 + -4000 = 900
0.02x = 900

Divide each side by '0.02'.
x = 45000

Simplifying
x = 45000

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