0.3(b-2)+0.7b=1.4

Solution for 0.3(b-2)+0.7b=1.4 equation:

Simplifying
0.3(b + -2) + 0.7b = 1.4

Reorder the terms:
0.3(-2 + b) + 0.7b = 1.4
(-2 * 0.3 + b * 0.3) + 0.7b = 1.4
(-0.6 + 0.3b) + 0.7b = 1.4

Combine like terms: 0.3b + 0.7b = 1b
-0.6 + 1b = 1.4

Solving
-0.6 + 1b = 1.4

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '0.6' to each side of the equation.
-0.6 + 0.6 + 1b = 1.4 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + 1b = 1.4 + 0.6
1b = 1.4 + 0.6

Combine like terms: 1.4 + 0.6 = 2
1b = 2

Divide each side by '1'.
b = 2

Simplifying
b = 2