3(5z+9)-4(z-9)=

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Solution for 3(5z+9)-4(z-9)= equation:


Simplifying
3(5z + 9) + -4(z + -9) = 0

Reorder the terms:
3(9 + 5z) + -4(z + -9) = 0
(9 * 3 + 5z * 3) + -4(z + -9) = 0
(27 + 15z) + -4(z + -9) = 0

Reorder the terms:
27 + 15z + -4(-9 + z) = 0
27 + 15z + (-9 * -4 + z * -4) = 0
27 + 15z + (36 + -4z) = 0

Reorder the terms:
27 + 36 + 15z + -4z = 0

Combine like terms: 27 + 36 = 63
63 + 15z + -4z = 0

Combine like terms: 15z + -4z = 11z
63 + 11z = 0

Solving
63 + 11z = 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 + 11z = 0 + -63

Combine like terms: 63 + -63 = 0
0 + 11z = 0 + -63
11z = 0 + -63

Combine like terms: 0 + -63 = -63
11z = -63

Divide each side by '11'.
z = -5.727272727

Simplifying
z = -5.727272727

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