What is the answer to 12.2=2.5a+3.7 ?

The answer to 12.2=2.5a+3.7 is a= 17/5

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12.2=2.5a+3.7

12.2 = 2.5 a + 3.7

a = \frac{17}{5}

Solution steps

12.2 = 2.5 a + 3.7

Switch sides

2.5 a + 3.7 = 12.2

Multiply both sides by

10

25 a + 37 = 122

Move

37

to the right side

25 a = 85

Divide both sides by

25

a = \frac{17}{5}

9 x = - 9

\frac{3 ( x - 4 )}{4} = \frac{2 ( x - 3 )}{3} + 1

x + 1 = - 5 - (x + 6) + 8 x

x, x + 2 y + 5 = 0

11 + 2 x = 6 x - 3 + 3 x