100[0.07(z+9)]=

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Solution for 100[0.07(z+9)]= equation:


Simplifying
100[0.07(z + 9)] = 0

Reorder the terms:
100[0.07(9 + z)] = 0
100[(9 * 0.07 + z * 0.07)] = 0
100[(0.63 + 0.07z)] = 0
[0.63 * 100 + 0.07z * 100] = 0
[63 + 7z] = 0

Solving
63 + 7z = 0

Solving for variable 'z'.

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

Add '-63' to each side of the equation.
63 + -63 + 7z = 0 + -63

Combine like terms: 63 + -63 = 0
0 + 7z = 0 + -63
7z = 0 + -63

Combine like terms: 0 + -63 = -63
7z = -63

Divide each side by '7'.
z = -9

Simplifying
z = -9

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