3z+7=z+10

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Solution for 3z+7=z+10 equation:


Simplifying
3z + 7 = z + 10

Reorder the terms:
7 + 3z = z + 10

Reorder the terms:
7 + 3z = 10 + z

Solving
7 + 3z = 10 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
7 + 3z + -1z = 10 + z + -1z

Combine like terms: 3z + -1z = 2z
7 + 2z = 10 + z + -1z

Combine like terms: z + -1z = 0
7 + 2z = 10 + 0
7 + 2z = 10

Add '-7' to each side of the equation.
7 + -7 + 2z = 10 + -7

Combine like terms: 7 + -7 = 0
0 + 2z = 10 + -7
2z = 10 + -7

Combine like terms: 10 + -7 = 3
2z = 3

Divide each side by '2'.
z = 1.5

Simplifying
z = 1.5

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