-91,2+(-2 х)=-100,7

Question

-91,2+(-2 х)=-100,7

Answer 1

-91.2-2x=-100.7
-2x=-100.7+91.2
-2x=-9.5
x= -9.5÷-(2)
x=47.5

Answer 2

-2х = -91.2 + 100.7
-х = 9.5/2
x = -4.75