What is the answer to 7x+30+9x+42=104 ?

The answer to 7x+30+9x+42=104 is x=2

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7x+30+9x+42=104

7 x + 30 + 9 x + 42 = 104

x = 2

Solution steps

7 x + 30 + 9 x + 42 = 104

Group like terms

7 x + 9 x + 30 + 42 = 104

Add similar elements:

7 x + 9 x = 16 x

16 x + 30 + 42 = 104

Add the numbers:

30 + 42 = 72

16 x + 72 = 104

Move

72

to the right side

16 x = 32

Divide both sides by

16

x = 2

h - 3.5 = 9

p^{2} - 4 p + 4

34 3^{\frac{2}{3}} \cdot 3 2^{\frac{2}{5}}

11 t^{2} + 250 = 125

\frac{x ^{\frac{1}{3}} y ^{\frac{2}{5}}}{x ^{- \frac{1}{5}} y}