.5*.05x+.2x*.04+.3x*.035=870

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Solution for .5*.05x+.2x*.04+.3x*.035=870 equation:


Simplifying
0.5 * 0.05x + 0.2x * 0.04 + 0.3x * 0.035 = 870

Multiply 0.5 * 0.05
0.025x + 0.2x * 0.04 + 0.3x * 0.035 = 870

Reorder the terms for easier multiplication:
0.025x + 0.2 * 0.04x + 0.3x * 0.035 = 870

Multiply 0.2 * 0.04
0.025x + 0.008x + 0.3x * 0.035 = 870

Reorder the terms for easier multiplication:
0.025x + 0.008x + 0.3 * 0.035x = 870

Multiply 0.3 * 0.035
0.025x + 0.008x + 0.0105x = 870

Combine like terms: 0.025x + 0.008x = 0.033x
0.033x + 0.0105x = 870

Combine like terms: 0.033x + 0.0105x = 0.0435x
0.0435x = 870

Solving
0.0435x = 870

Solving for variable 'x'.

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

Divide each side by '0.0435'.
x = 20000

Simplifying
x = 20000

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