-4+7z+5-2z=

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Solution for -4+7z+5-2z= equation:


Simplifying
-4 + 7z + 5 + -2z = 0

Reorder the terms:
-4 + 5 + 7z + -2z = 0

Combine like terms: -4 + 5 = 1
1 + 7z + -2z = 0

Combine like terms: 7z + -2z = 5z
1 + 5z = 0

Solving
1 + 5z = 0

Solving for variable 'z'.

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

Add '-1' to each side of the equation.
1 + -1 + 5z = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 5z = 0 + -1
5z = 0 + -1

Combine like terms: 0 + -1 = -1
5z = -1

Divide each side by '5'.
z = -0.2

Simplifying
z = -0.2

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