What is the answer to 12x+4+2x=39 ?

The answer to 12x+4+2x=39 is x= 5/2

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12x+4+2x=39

12 x + 4 + 2 x = 39

x = \frac{5}{2}

Decimal Notation

x = 2.5

Solution steps

12 x + 4 + 2 x = 39

Group like terms

12 x + 2 x + 4 = 39

Add similar elements:

12 x + 2 x = 14 x

14 x + 4 = 39

Move

4

to the right side

14 x = 35

Divide both sides by

14

x = \frac{5}{2}

x, 3 (x + y) = y

g - \frac{1}{3} = - \frac{2}{3}

\frac{1}{2} x - 3 = \frac{3}{2} x + 4

z + 3 = - 6

2 - \frac{3}{8} x = 14