What is the answer to 3x+18+4x+15=180 ?

The answer to 3x+18+4x+15=180 is x=21

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3x+18+4x+15=180

3 x + 18 + 4 x + 15 = 180

x = 21

Solution steps

3 x + 18 + 4 x + 15 = 180

Group like terms

3 x + 4 x + 18 + 15 = 180

Add similar elements:

3 x + 4 x = 7 x

7 x + 18 + 15 = 180

Add the numbers:

18 + 15 = 33

7 x + 33 = 180

Move

33

to the right side

7 x = 147

Divide both sides by

7

x = 21

- 2 x + 38.5 = - 9 x + 14

\frac{x + 1}{3} - \frac{- 1 - \frac{2 x}{3} - 1}{6} = - 1

- 5 x - 7 = - x - 35

d = (5 - (- 2))^{2} + (- 4 - 1)^{2}

\frac{1}{4} z = \frac{1}{3} z - 2