What is the answer to 7(x+4)=3x+12+x-5 ?

The answer to 7(x+4)=3x+12+x-5 is x=-7

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7(x+4)=3x+12+x-5

7 (x + 4) = 3 x + 12 + x - 5

x = - 7

Solution steps

7 (x + 4) = 3 x + 12 + x - 5

Group like terms

7 (x + 4) = 3 x + x + 12 - 5

Add similar elements:

3 x + x = 4 x

7 (x + 4) = 4 x + 12 - 5

Add/Subtract the numbers:

12 - 5 = 7

7 (x + 4) = 4 x + 7

Expand

7 (x + 4) : 7 x + 28

7 x + 28 = 4 x + 7

Move

28

to the right side

7 x = 4 x - 21

Move

4 x

to the left side

3 x = - 21

Divide both sides by

3

x = - 7

2 x^{2} - 5 x y - 3 y^{2}

- 2 - c \geq 1

(6 + i) (6 - i)

x + (- 12) = - 8

\frac{5}{8} \cdot \frac{5}{8} \cdot \frac{5}{8} \cdot \frac{5}{8}