What is the answer to 1/12 a+21=25 ?

The answer to 1/12 a+21=25 is a=48

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1/12 a+21=25

\frac{1}{12} a + 21 = 25

a = 48

Solution steps

\frac{1}{12} a + 21 = 25

Move

21

to the right side

\frac{1}{12} a = 4

Multiply both sides by

12

a = 48

x, 2 x - 5 y = 4

(x + 3) (x - 1) = x^{2} + 5

y, 3 x + y = 9

(x - 1) (x + 1) (x^{2} + 1) (x^{4} + 1) = x^{8} - 1

5 = \frac{x}{9}