3(20x+100)=840

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Solution for 3(20x+100)=840 equation:


Simplifying
3(20x + 100) = 840

Reorder the terms:
3(100 + 20x) = 840
(100 * 3 + 20x * 3) = 840
(300 + 60x) = 840

Solving
300 + 60x = 840

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 = 840 + -300

Combine like terms: 300 + -300 = 0
0 + 60x = 840 + -300
60x = 840 + -300

Combine like terms: 840 + -300 = 540
60x = 540

Divide each side by '60'.
x = 9

Simplifying
x = 9

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