4z+7=-9z

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Solution for 4z+7=-9z equation:


Simplifying
4z + 7 = -9z

Reorder the terms:
7 + 4z = -9z

Solving
7 + 4z = -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
7 + 4z + 9z = -9z + 9z

Combine like terms: 4z + 9z = 13z
7 + 13z = -9z + 9z

Combine like terms: -9z + 9z = 0
7 + 13z = 0

Add '-7' to each side of the equation.
7 + -7 + 13z = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 13z = 0 + -7
13z = 0 + -7

Combine like terms: 0 + -7 = -7
13z = -7

Divide each side by '13'.
z = -0.5384615385

Simplifying
z = -0.5384615385

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