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Type your math problem... 8+b/-4=5

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Question

Solve the equation

b = 12

Evaluate

8 + \frac{b}{- 4} = 5

Use \frac{- a}{b} = \frac{a}{- b} = - \frac{a}{b} to rewrite the fraction

8 - \frac{b}{4} = 5

Move the constant to the right-hand side and change its sign

- \frac{b}{4} = 5 - 8

Subtract the numbers

- \frac{b}{4} = - 3

Rewrite the expression

\frac{- b}{4} = - 3

Cross multiply

- b = 4 (- 3)

Simplify the equation

- b = - 12

Solution

b = 12

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