Question

X-3.5= -3.1 I'm confused​

Answer 1

X = 0.4

Explanation:

X-3.5= -3.1 add 3.5 each side.

X = 3.5 - 3.1 simplify

X = 0.4 done!

Answer 2

See Below

Explanation:

First, isolate x. To do that add 3.5 to each side

x - 3.5 = -3.1

+3.5 +3.5

x= 0.4