7z+2=9-3z

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Solution for 7z+2=9-3z equation:


Simplifying
7z + 2 = 9 + -3z

Reorder the terms:
2 + 7z = 9 + -3z

Solving
2 + 7z = 9 + -3z

Solving for variable 'z'.

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

Add '3z' to each side of the equation.
2 + 7z + 3z = 9 + -3z + 3z

Combine like terms: 7z + 3z = 10z
2 + 10z = 9 + -3z + 3z

Combine like terms: -3z + 3z = 0
2 + 10z = 9 + 0
2 + 10z = 9

Add '-2' to each side of the equation.
2 + -2 + 10z = 9 + -2

Combine like terms: 2 + -2 = 0
0 + 10z = 9 + -2
10z = 9 + -2

Combine like terms: 9 + -2 = 7
10z = 7

Divide each side by '10'.
z = 0.7

Simplifying
z = 0.7

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