What is the answer to -5=-2(-2)+b ?

The answer to -5=-2(-2)+b is b=-9

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-5=-2(-2)+b

- 5 = - 2 (- 2) + b

b = - 9

Solution steps

- 5 = - 2 (- 2) + b

Switch sides

- 2 (- 2) + b = - 5

Apply rule

- (- a) = a

2 \cdot 2 + b = - 5

Multiply the numbers:

2 \cdot 2 = 4

4 + b = - 5

Move

4

to the right side

b = - 9

\frac{3}{5} x - \frac{1}{3} = - 103

6 (3 + 2 x) = 78

2 y - 3 y + 5 y + 10 = 42

\frac{x - 1}{2} + \frac{x + 1}{4} = 2

- 13 + 5 (x - 2) + 3 (2 x + 5) = 4 (2 x - 6) + 1