z-(-7)=3

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Solution for z-(-7)=3 equation: 


Simplifying
z + -1(-7) = 3

Multiply -1 * -7
z + 7 = 3

Reorder the terms:
7 + z = 3

Solving
7 + z = 3

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + z = 3 + -7

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

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

Simplifying
z = -4

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