What is the answer to (2x-20)/2 =90 ?

The answer to (2x-20)/2 =90 is x=100

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(2x-20)/2 =90

\frac{2 x - 20}{2} = 90

x = 100

Solution steps

\frac{2 x - 20}{2} = 90

Multiply both sides by

2

2 x - 20 = 180

Move

20

to the right side

2 x = 200

Divide both sides by

2

x = 100

2 (\frac{x}{8} + 3) = 7 + \frac{1}{4} x

16 = - 5 m + 11

3 (y + 2) + y = 4 (y - 1) + 10

\frac{- 3 ( x + 4 )}{7} - \frac{5 ( 1 - 3 x )}{3} = 3 x - 4

112 = 8 (7 - x)