5z+20=4z+5

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Solution for 5z+20=4z+5 equation:


Simplifying
5z + 20 = 4z + 5

Reorder the terms:
20 + 5z = 4z + 5

Reorder the terms:
20 + 5z = 5 + 4z

Solving
20 + 5z = 5 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
20 + 5z + -4z = 5 + 4z + -4z

Combine like terms: 5z + -4z = 1z
20 + 1z = 5 + 4z + -4z

Combine like terms: 4z + -4z = 0
20 + 1z = 5 + 0
20 + 1z = 5

Add '-20' to each side of the equation.
20 + -20 + 1z = 5 + -20

Combine like terms: 20 + -20 = 0
0 + 1z = 5 + -20
1z = 5 + -20

Combine like terms: 5 + -20 = -15
1z = -15

Divide each side by '1'.
z = -15

Simplifying
z = -15

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