What is the answer to -2 1/4 =r-4/5 ?

The answer to -2 1/4 =r-4/5 is r=-1 9/20

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-2 1/4 =r-4/5

- 2 \frac{1}{4} = r - \frac{4}{5}

r = - 1 \frac{9}{20}

Decimal Notation

r = - 1.45

Solution steps

- 2 \frac{1}{4} = r - \frac{4}{5}

Convert mixed numbers to improper fractions:

2 \frac{1}{4} = \frac{9}{4}

- \frac{9}{4} = r - \frac{4}{5}

Switch sides

r - \frac{4}{5} = - \frac{9}{4}

Move

\frac{4}{5}

to the right side

r = - \frac{29}{20}

Convert improper fractions to mixed numbers:

\frac{29}{20} = 1 \frac{9}{20}

r = - 1 \frac{9}{20}

4 x - 6 = 3 x + 14

3 (x - 4) + 10 = 13 - x

y = 2^{- 3}

m - 5 = \frac{2}{7}

x, 8 + 3 y = 1 + 9 x