3(7+2x)=45

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Solution for 3(7+2x)=45 equation: 


Simplifying
3(7 + 2x) = 45
(7 * 3 + 2x * 3) = 45
(21 + 6x) = 45

Solving
21 + 6x = 45

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 + 6x = 45 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = 45 + -21
6x = 45 + -21

Combine like terms: 45 + -21 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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