10z+20=7z+5

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Solution for 10z+20=7z+5 equation:


Simplifying
10z + 20 = 7z + 5

Reorder the terms:
20 + 10z = 7z + 5

Reorder the terms:
20 + 10z = 5 + 7z

Solving
20 + 10z = 5 + 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 = 5 + 7z + -7z

Combine like terms: 10z + -7z = 3z
20 + 3z = 5 + 7z + -7z

Combine like terms: 7z + -7z = 0
20 + 3z = 5 + 0
20 + 3z = 5

Add '-20' to each side of the equation.
20 + -20 + 3z = 5 + -20

Combine like terms: 20 + -20 = 0
0 + 3z = 5 + -20
3z = 5 + -20

Combine like terms: 5 + -20 = -15
3z = -15

Divide each side by '3'.
z = -5

Simplifying
z = -5

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