-3(4z+7)-3(5z)-10z=

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Solution for -3(4z+7)-3(5z)-10z= equation:


Simplifying
-3(4z + 7) + -3(5z) + -10z = 0

Reorder the terms:
-3(7 + 4z) + -3(5z) + -10z = 0
(7 * -3 + 4z * -3) + -3(5z) + -10z = 0
(-21 + -12z) + -3(5z) + -10z = 0

Remove parenthesis around (5z)
-21 + -12z + -3 * 5z + -10z = 0

Multiply -3 * 5
-21 + -12z + -15z + -10z = 0

Combine like terms: -12z + -15z = -27z
-21 + -27z + -10z = 0

Combine like terms: -27z + -10z = -37z
-21 + -37z = 0

Solving
-21 + -37z = 0

Solving for variable 'z'.

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

Add '21' to each side of the equation.
-21 + 21 + -37z = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -37z = 0 + 21
-37z = 0 + 21

Combine like terms: 0 + 21 = 21
-37z = 21

Divide each side by '-37'.
z = -0.5675675676

Simplifying
z = -0.5675675676

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