Question

2(0,6× + 1,85) - 0,7 = 1,3×

Answer 1

1,2X+3,7-0,7=1,3X
1,2X-1,3X=-3,7+0,7
-0,1X=-3|:(-0,1)
X=30

Answer 2

2(0,6x+1.85)-0.7=1.3x

1.2x+3.7-0.7=1.3x

1.2x-1.3x=-3.7+0.7

-0.1x=-3

x=30