What is the answer to 3(x-4)=-21[3] ?

The answer to 3(x-4)=-21[3] is x=-17

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3(x-4)=-21[3]

3 (x - 4) = - 21 [3]

x = - 17

Solution steps

3 (x - 4) = - 21 [3]

Remove parentheses:

(a) = a

3 (x - 4) = - 21 \cdot 3

Multiply the numbers:

21 \cdot 3 = 63

3 (x - 4) = - 63

Divide both sides by

3

x - 4 = - 21

Move

4

to the right side

x = - 17

1 - 3 (x - 5) = \frac{5 x - 12}{2}

6 y - 7 = 41 - 2 y

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

R (p) = - 7 p^{2} + 28000 p

6 x - 4 x + 3 = 10 x - 3