12x+5(9-x)=429

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Solution for 12x+5(9-x)=429 equation:


Simplifying
12x + 5(9 + -1x) = 429
12x + (9 * 5 + -1x * 5) = 429
12x + (45 + -5x) = 429

Reorder the terms:
45 + 12x + -5x = 429

Combine like terms: 12x + -5x = 7x
45 + 7x = 429

Solving
45 + 7x = 429

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 7x = 429 + -45

Combine like terms: 45 + -45 = 0
0 + 7x = 429 + -45
7x = 429 + -45

Combine like terms: 429 + -45 = 384
7x = 384

Divide each side by '7'.
x = 54.85714286

Simplifying
x = 54.85714286

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