What is the answer to -3=-3(-3)+b ?

The answer to -3=-3(-3)+b is b=-12

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-3=-3(-3)+b

- 3 = - 3 (- 3) + b

b = - 12

Solution steps

- 3 = - 3 (- 3) + b

Switch sides

- 3 (- 3) + b = - 3

Apply rule

- (- a) = a

3 \cdot 3 + b = - 3

Multiply the numbers:

3 \cdot 3 = 9

9 + b = - 3

Move

9

to the right side

b = - 12

y, 2 x + 3 y = 13

800 - 4 x = 0

x, - 5 x - 2 y = 8

3 (2 x - 1) = 2 x - 3 + 4 x

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