7x+3(x+6)=39

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Solution for 7x+3(x+6)=39 equation:


Simplifying
7x + 3(x + 6) = 39

Reorder the terms:
7x + 3(6 + x) = 39
7x + (6 * 3 + x * 3) = 39
7x + (18 + 3x) = 39

Reorder the terms:
18 + 7x + 3x = 39

Combine like terms: 7x + 3x = 10x
18 + 10x = 39

Solving
18 + 10x = 39

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 10x = 39 + -18

Combine like terms: 18 + -18 = 0
0 + 10x = 39 + -18
10x = 39 + -18

Combine like terms: 39 + -18 = 21
10x = 21

Divide each side by '10'.
x = 2.1

Simplifying
x = 2.1

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