Question

Solve the equation for x.

Answer 1

x = - 7

Explanation:

`(3)/(4)` (x + 21) = 10
`(1)/(2)` ← change to improper fraction

`(3)/(4)` (x + 21) =
`(21)/(2)`

multiply both sides by 4 ( the LCM of 4 and 2 ) to clear the fractions

3(x + 21) = 42 ( divide both sides by 3 )

x + 21 = 14 ( subtract 21 from both sides )

x = - 7