3(20x+100)=720

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Solution for 3(20x+100)=720 equation: 


Simplifying
3(20x + 100) = 720

Reorder the terms:
3(100 + 20x) = 720
(100 * 3 + 20x * 3) = 720
(300 + 60x) = 720

Solving
300 + 60x = 720

Solving for variable 'x'.

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

Add '-300' to each side of the equation.
300 + -300 + 60x = 720 + -300

Combine like terms: 300 + -300 = 0
0 + 60x = 720 + -300
60x = 720 + -300

Combine like terms: 720 + -300 = 420
60x = 420

Divide each side by '60'.
x = 7

Simplifying
x = 7

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