5(2z+4)=7z+8

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Solution for 5(2z+4)=7z+8 equation:


Simplifying
5(2z + 4) = 7z + 8

Reorder the terms:
5(4 + 2z) = 7z + 8
(4 * 5 + 2z * 5) = 7z + 8
(20 + 10z) = 7z + 8

Reorder the terms:
20 + 10z = 8 + 7z

Solving
20 + 10z = 8 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
20 + 10z + -7z = 8 + 7z + -7z

Combine like terms: 10z + -7z = 3z
20 + 3z = 8 + 7z + -7z

Combine like terms: 7z + -7z = 0
20 + 3z = 8 + 0
20 + 3z = 8

Add '-20' to each side of the equation.
20 + -20 + 3z = 8 + -20

Combine like terms: 20 + -20 = 0
0 + 3z = 8 + -20
3z = 8 + -20

Combine like terms: 8 + -20 = -12
3z = -12

Divide each side by '3'.
z = -4

Simplifying
z = -4

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