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

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


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

Reorder the terms:
-2 + 7z = -3 + 3z + -2 + -4

Reorder the terms:
-2 + 7z = -3 + -2 + -4 + 3z

Combine like terms: -3 + -2 = -5
-2 + 7z = -5 + -4 + 3z

Combine like terms: -5 + -4 = -9
-2 + 7z = -9 + 3z

Solving
-2 + 7z = -9 + 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.
-2 + 7z + -3z = -9 + 3z + -3z

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

Combine like terms: 3z + -3z = 0
-2 + 4z = -9 + 0
-2 + 4z = -9

Add '2' to each side of the equation.
-2 + 2 + 4z = -9 + 2

Combine like terms: -2 + 2 = 0
0 + 4z = -9 + 2
4z = -9 + 2

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

Divide each side by '4'.
z = -1.75

Simplifying
z = -1.75

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