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

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


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

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

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

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

Combine like terms: 2 + -3 = -1
4 + 3z = -1 + 2z

Solving
4 + 3z = -1 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
4 + 3z + -2z = -1 + 2z + -2z

Combine like terms: 3z + -2z = 1z
4 + 1z = -1 + 2z + -2z

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

Add '-4' to each side of the equation.
4 + -4 + 1z = -1 + -4

Combine like terms: 4 + -4 = 0
0 + 1z = -1 + -4
1z = -1 + -4

Combine like terms: -1 + -4 = -5
1z = -5

Divide each side by '1'.
z = -5

Simplifying
z = -5

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