What is the answer to 21= 1/4 y+19 ?

The answer to 21= 1/4 y+19 is y=8

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21= 1/4 y+19

21 = \frac{1}{4} y + 19

y = 8

Solution steps

21 = \frac{1}{4} y + 19

Switch sides

\frac{1}{4} y + 19 = 21

Move

19

to the right side

\frac{1}{4} y = 2

Multiply both sides by

4

y = 8

(x - 4) - (x + 7) = 8 x

10.25 + 8.9 c - 6 - 7 c = 10.33

3 (2 a - 2) = 2 (3 a - 3)

- 1.5 + k = 8.2

4 = - 2 (x - 3)