3(7+7x)=147

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Solution for 3(7+7x)=147 equation: 


Simplifying
3(7 + 7x) = 147
(7 * 3 + 7x * 3) = 147
(21 + 21x) = 147

Solving
21 + 21x = 147

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 21x = 147 + -21

Combine like terms: 21 + -21 = 0
0 + 21x = 147 + -21
21x = 147 + -21

Combine like terms: 147 + -21 = 126
21x = 126

Divide each side by '21'.
x = 6

Simplifying
x = 6

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