Solve 3-1/10b=7 - ScanMath

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Type your math problem... 3-1/10b=7

x

Question

Solve the equation

b = - 40

Evaluate

3 - \frac{1}{10} b = 7

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

- \frac{1}{10} b = 7 - 3

Subtract the numbers

- \frac{1}{10} b = 4

Change the signs on both sides of the equation

\frac{1}{10} b = - 4

Multiply by the reciprocal

\frac{1}{10} b \times 10 = - 4 \times 10

Multiply

b = - 4 \times 10

Solution

b = - 40

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