20(3x+12)=840

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Solution for 20(3x+12)=840 equation:


Simplifying
20(3x + 12) = 840

Reorder the terms:
20(12 + 3x) = 840
(12 * 20 + 3x * 20) = 840
(240 + 60x) = 840

Solving
240 + 60x = 840

Solving for variable 'x'.

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

Add '-240' to each side of the equation.
240 + -240 + 60x = 840 + -240

Combine like terms: 240 + -240 = 0
0 + 60x = 840 + -240
60x = 840 + -240

Combine like terms: 840 + -240 = 600
60x = 600

Divide each side by '60'.
x = 10

Simplifying
x = 10

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