-2z-7z=-4z+3-4z

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Solution for -2z-7z=-4z+3-4z equation:


Simplifying
-2z + -7z = -4z + 3 + -4z

Combine like terms: -2z + -7z = -9z
-9z = -4z + 3 + -4z

Reorder the terms:
-9z = 3 + -4z + -4z

Combine like terms: -4z + -4z = -8z
-9z = 3 + -8z

Solving
-9z = 3 + -8z

Solving for variable 'z'.

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

Add '8z' to each side of the equation.
-9z + 8z = 3 + -8z + 8z

Combine like terms: -9z + 8z = -1z
-1z = 3 + -8z + 8z

Combine like terms: -8z + 8z = 0
-1z = 3 + 0
-1z = 3

Divide each side by '-1'.
z = -3

Simplifying
z = -3

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