What is the answer to -15+3x-7x=-43 ?

The answer to -15+3x-7x=-43 is x=7

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-15+3x-7x=-43

- 15 + 3 x - 7 x = - 43

x = 7

Solution steps

- 15 + 3 x - 7 x = - 43

Add similar elements:

3 x - 7 x = - 4 x

- 15 - 4 x = - 43

Move

15

to the right side

- 4 x = - 28

Divide both sides by

- 4

x = 7

a (5 x + 3) + 2 (4 x - 1) = 28 x + b

f = \frac{- 1 ^{2} - 21}{3 + 12}

x - \frac{1}{2} + \frac{1}{6} = \frac{1}{5} - \frac{3}{4}

3 (x + 6) = x + 8 + x

x, 8 x - 6 y - 7 = 0