-3z+13=-z-7

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Solution for -3z+13=-z-7 equation:


Simplifying
-3z + 13 = -1z + -7

Reorder the terms:
13 + -3z = -1z + -7

Reorder the terms:
13 + -3z = -7 + -1z

Solving
13 + -3z = -7 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
13 + -3z + z = -7 + -1z + z

Combine like terms: -3z + z = -2z
13 + -2z = -7 + -1z + z

Combine like terms: -1z + z = 0
13 + -2z = -7 + 0
13 + -2z = -7

Add '-13' to each side of the equation.
13 + -13 + -2z = -7 + -13

Combine like terms: 13 + -13 = 0
0 + -2z = -7 + -13
-2z = -7 + -13

Combine like terms: -7 + -13 = -20
-2z = -20

Divide each side by '-2'.
z = 10

Simplifying
z = 10

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