7+8z-5=5z+9+4z

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Solution for 7+8z-5=5z+9+4z equation:


Simplifying
7 + 8z + -5 = 5z + 9 + 4z

Reorder the terms:
7 + -5 + 8z = 5z + 9 + 4z

Combine like terms: 7 + -5 = 2
2 + 8z = 5z + 9 + 4z

Reorder the terms:
2 + 8z = 9 + 5z + 4z

Combine like terms: 5z + 4z = 9z
2 + 8z = 9 + 9z

Solving
2 + 8z = 9 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
2 + 8z + -9z = 9 + 9z + -9z

Combine like terms: 8z + -9z = -1z
2 + -1z = 9 + 9z + -9z

Combine like terms: 9z + -9z = 0
2 + -1z = 9 + 0
2 + -1z = 9

Add '-2' to each side of the equation.
2 + -2 + -1z = 9 + -2

Combine like terms: 2 + -2 = 0
0 + -1z = 9 + -2
-1z = 9 + -2

Combine like terms: 9 + -2 = 7
-1z = 7

Divide each side by '-1'.
z = -7

Simplifying
z = -7

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