Question

Solve x + 7.8 = 11.9 for x.

Answer 1

x = 4.1

Explanation:

To solve for x, subtract 7.8 from both sides of x + 7.8 = 11.9:

x + 7.8 - 7.8 = 11.9 - 7.8, or

x = 4.1

Answer 2

4.1

Explanation:

X+ 7.8 = 11.9

X= 11.9 - 7.8

X= 4.1