0.3(x+50)+0.9x=51

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Solution for 0.3(x+50)+0.9x=51 equation:


Simplifying
0.3(x + 50) + 0.9x = 51

Reorder the terms:
0.3(50 + x) + 0.9x = 51
(50 * 0.3 + x * 0.3) + 0.9x = 51
(15 + 0.3x) + 0.9x = 51

Combine like terms: 0.3x + 0.9x = 1.2x
15 + 1.2x = 51

Solving
15 + 1.2x = 51

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 1.2x = 51 + -15

Combine like terms: 15 + -15 = 0
0 + 1.2x = 51 + -15
1.2x = 51 + -15

Combine like terms: 51 + -15 = 36
1.2x = 36

Divide each side by '1.2'.
x = 30

Simplifying
x = 30

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