What is the answer to 3x+15-7x=-7 ?

The answer to 3x+15-7x=-7 is x= 11/2

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3x+15-7x=-7

3 x + 15 - 7 x = - 7

x = \frac{11}{2}

Decimal Notation

x = 5.5

Solution steps

3 x + 15 - 7 x = - 7

Group like terms

3 x - 7 x + 15 = - 7

Add similar elements:

3 x - 7 x = - 4 x

- 4 x + 15 = - 7

Move

15

to the right side

- 4 x = - 22

Divide both sides by

- 4

x = \frac{11}{2}

D A - 2 q A = B^{3}

3 (x - 5) - 4 (2 x - 4) = - 2 x + 22

- 4 (x + 3) = - 12 - 4 x

t, g = f

0.26 y + 0.21 = - 0.4 y - 0.6