What is the answer to 0.3=0.5f-0.7 ?

The answer to 0.3=0.5f-0.7 is f=2

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0.3=0.5f-0.7

0.3 = 0.5 f - 0.7

f = 2

Solution steps

0.3 = 0.5 f - 0.7

Switch sides

0.5 f - 0.7 = 0.3

Multiply both sides by

10

5 f - 7 = 3

Move

7

to the right side

5 f = 10

Divide both sides by

5

f = 2

4 - ∣ x ∣ = x^{2} + 4

- 6 i^{3} + i^{2}

6^{2} + 1 5^{2} = c^{2}

10 x + 2 (x - 6) = 3 (4 x - 4)

\frac{2}{3} - \frac{7}{2} \cdot \frac{1}{13}