0.2(x+30)+1.6x=87

Solution for 0.2(x+30)+1.6x=87 equation:

Simplifying
0.2(x + 30) + 1.6x = 87

Reorder the terms:
0.2(30 + x) + 1.6x = 87
(30 * 0.2 + x * 0.2) + 1.6x = 87
(6 + 0.2x) + 1.6x = 87

Combine like terms: 0.2x + 1.6x = 1.8x
6 + 1.8x = 87

Solving
6 + 1.8x = 87

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 1.8x = 87 + -6

Combine like terms: 6 + -6 = 0
0 + 1.8x = 87 + -6
1.8x = 87 + -6

Combine like terms: 87 + -6 = 81
1.8x = 81

Divide each side by '1.8'.
x = 45

Simplifying
x = 45