7(7+3x)=217

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Solution for 7(7+3x)=217 equation: 


Simplifying
7(7 + 3x) = 217
(7 * 7 + 3x * 7) = 217
(49 + 21x) = 217

Solving
49 + 21x = 217

Solving for variable 'x'.

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

Add '-49' to each side of the equation.
49 + -49 + 21x = 217 + -49

Combine like terms: 49 + -49 = 0
0 + 21x = 217 + -49
21x = 217 + -49

Combine like terms: 217 + -49 = 168
21x = 168

Divide each side by '21'.
x = 8

Simplifying
x = 8

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