-8.7-3z-4.9-z=3z+10.5

Solution for -8.7-3z-4.9-z=3z+10.5 equation:

Simplifying
-8.7 + -3z + -4.9 + -1z = 3z + 10.5

Reorder the terms:
-8.7 + -4.9 + -3z + -1z = 3z + 10.5

Combine like terms: -8.7 + -4.9 = -13.6
-13.6 + -3z + -1z = 3z + 10.5

Combine like terms: -3z + -1z = -4z
-13.6 + -4z = 3z + 10.5

Reorder the terms:
-13.6 + -4z = 10.5 + 3z

Solving
-13.6 + -4z = 10.5 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-13.6 + -4z + -3z = 10.5 + 3z + -3z

Combine like terms: -4z + -3z = -7z
-13.6 + -7z = 10.5 + 3z + -3z

Combine like terms: 3z + -3z = 0
-13.6 + -7z = 10.5 + 0
-13.6 + -7z = 10.5

Add '13.6' to each side of the equation.
-13.6 + 13.6 + -7z = 10.5 + 13.6

Combine like terms: -13.6 + 13.6 = 0.0
0.0 + -7z = 10.5 + 13.6
-7z = 10.5 + 13.6

Combine like terms: 10.5 + 13.6 = 24.1
-7z = 24.1

Divide each side by '-7'.
z = -3.442857143

Simplifying
z = -3.442857143