-4+z=3z+9

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Solution for -4+z=3z+9 equation:


Simplifying
-4 + z = 3z + 9

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

Solving
-4 + z = 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.
-4 + z + -3z = 9 + 3z + -3z

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

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

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

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

Combine like terms: 9 + 4 = 13
-2z = 13

Divide each side by '-2'.
z = -6.5

Simplifying
z = -6.5

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