How do you solve the equation -2.4x+11.8=29.8?

1 Answer
Mar 21, 2017

“Simplify” it by collecting all of the constants on one side to calculate the variable/unknown on the other side.

Explanation:

-2.4*x + 11.8 = 29.8 ; -2.4*x = 29.8 – 11.8
-2.4*x = 18 ; x = 18/(-2.4) ; x = -7.5

CHECK: -2.4*(-7.5) + 11.8 = 29.8 ; 18 + 11.8 = 29.8
29.8 = 29.8 CORRECT!