0.7z+1.9+0.1z=5.5-0.42

Solution for 0.7z+1.9+0.1z=5.5-0.42 equation:

Simplifying
0.7z + 1.9 + 0.1z = 5.5 + -0.42

Reorder the terms:
1.9 + 0.7z + 0.1z = 5.5 + -0.42

Combine like terms: 0.7z + 0.1z = 0.8z
1.9 + 0.8z = 5.5 + -0.42

Combine like terms: 5.5 + -0.42 = 5.08
1.9 + 0.8z = 5.08

Solving
1.9 + 0.8z = 5.08

Solving for variable 'z'.

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

Add '-1.9' to each side of the equation.
1.9 + -1.9 + 0.8z = 5.08 + -1.9

Combine like terms: 1.9 + -1.9 = 0.0
0.0 + 0.8z = 5.08 + -1.9
0.8z = 5.08 + -1.9

Combine like terms: 5.08 + -1.9 = 3.18
0.8z = 3.18

Divide each side by '0.8'.
z = 3.975

Simplifying
z = 3.975