What is the answer to 7/10 x-1/5 =4 ?

The answer to 7/10 x-1/5 =4 is x=6

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7/10 x-1/5 =4

\frac{7}{10} x - \frac{1}{5} = 4

x = 6

Solution steps

\frac{7}{10} x - \frac{1}{5} = 4

Move

\frac{1}{5}

to the right side

\frac{7}{10} x = \frac{21}{5}

Multiply both sides by

10

7 x = 42

Divide both sides by

7

x = 6

\frac{40 a}{40 a ^{2}}

(\frac{8 b ^{4}}{4 b ^{2}})^{3}

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

25 b^{4} - 36 b^{2}

\frac{4 ^{5}}{4 ^{- 2}}