What is the answer to 3x+15+2x+20=180 ?

The answer to 3x+15+2x+20=180 is x=29

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3x+15+2x+20=180

3 x + 15 + 2 x + 20 = 180

x = 29

Solution steps

3 x + 15 + 2 x + 20 = 180

Group like terms

3 x + 2 x + 15 + 20 = 180

Add similar elements:

3 x + 2 x = 5 x

5 x + 15 + 20 = 180

Add the numbers:

15 + 20 = 35

5 x + 35 = 180

Move

35

to the right side

5 x = 145

Divide both sides by

5

x = 29

y, 5 x + 7 y = 6

9 (k + 8) = 47 + 4 k

2 x - 2 = x + 12

y, - 2 x + 3 y = 3

6 + \frac{v}{- 8} = \frac{4}{7}