3.50*0.2=b

Solution for 3.50*0.2=b equation:

Simplifying
3.50 * 0.2 = b

Multiply 3.50 * 0.2
0.7 = b

Solving
0.7 = b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
0.7 + -1b = b + -1b

Combine like terms: b + -1b = 0
0.7 + -1b = 0

Add '-0.7' to each side of the equation.
0.7 + -0.7 + -1b = 0 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -1b = 0 + -0.7
-1b = 0 + -0.7

Combine like terms: 0 + -0.7 = -0.7
-1b = -0.7

Divide each side by '-1'.
b = 0.7

Simplifying
b = 0.7