3(5+2x)=42

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Solution for 3(5+2x)=42 equation: 


Simplifying
3(5 + 2x) = 42
(5 * 3 + 2x * 3) = 42
(15 + 6x) = 42

Solving
15 + 6x = 42

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 6x = 42 + -15

Combine like terms: 15 + -15 = 0
0 + 6x = 42 + -15
6x = 42 + -15

Combine like terms: 42 + -15 = 27
6x = 27

Divide each side by '6'.
x = 4.5

Simplifying
x = 4.5

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