0.6(A+200)+0.1A=172

Solution for 0.6(A+200)+0.1A=172 equation:

Simplifying
0.6(A + 200) + 0.1A = 172

Reorder the terms:
0.6(200 + A) + 0.1A = 172
(200 * 0.6 + A * 0.6) + 0.1A = 172
(120 + 0.6A) + 0.1A = 172

Combine like terms: 0.6A + 0.1A = 0.7A
120 + 0.7A = 172

Solving
120 + 0.7A = 172

Solving for variable 'A'.

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

Add '-120' to each side of the equation.
120 + -120 + 0.7A = 172 + -120

Combine like terms: 120 + -120 = 0
0 + 0.7A = 172 + -120
0.7A = 172 + -120

Combine like terms: 172 + -120 = 52
0.7A = 52

Divide each side by '0.7'.
A = 74.28571429

Simplifying
A = 74.28571429