0.05(378-x)+0.07x=72

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Solution for 0.05(378-x)+0.07x=72 equation:


Simplifying
0.05(378 + -1x) + 0.07x = 72
(378 * 0.05 + -1x * 0.05) + 0.07x = 72
(18.9 + -0.05x) + 0.07x = 72

Combine like terms: -0.05x + 0.07x = 0.02x
18.9 + 0.02x = 72

Solving
18.9 + 0.02x = 72

Solving for variable 'x'.

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

Add '-18.9' to each side of the equation.
18.9 + -18.9 + 0.02x = 72 + -18.9

Combine like terms: 18.9 + -18.9 = 0.0
0.0 + 0.02x = 72 + -18.9
0.02x = 72 + -18.9

Combine like terms: 72 + -18.9 = 53.1
0.02x = 53.1

Divide each side by '0.02'.
x = 2655

Simplifying
x = 2655

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