4(-2z+5)=5(2z+4)

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Solution for 4(-2z+5)=5(2z+4) equation:


Simplifying
4(-2z + 5) = 5(2z + 4)

Reorder the terms:
4(5 + -2z) = 5(2z + 4)
(5 * 4 + -2z * 4) = 5(2z + 4)
(20 + -8z) = 5(2z + 4)

Reorder the terms:
20 + -8z = 5(4 + 2z)
20 + -8z = (4 * 5 + 2z * 5)
20 + -8z = (20 + 10z)

Add '-20' to each side of the equation.
20 + -20 + -8z = 20 + -20 + 10z

Combine like terms: 20 + -20 = 0
0 + -8z = 20 + -20 + 10z
-8z = 20 + -20 + 10z

Combine like terms: 20 + -20 = 0
-8z = 0 + 10z
-8z = 10z

Solving
-8z = 10z

Solving for variable 'z'.

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

Add '-10z' to each side of the equation.
-8z + -10z = 10z + -10z

Combine like terms: -8z + -10z = -18z
-18z = 10z + -10z

Combine like terms: 10z + -10z = 0
-18z = 0

Divide each side by '-18'.
z = 0

Simplifying
z = 0

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