-7-7(3z+2)=4(-4z-6)-5

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Solution for -7-7(3z+2)=4(-4z-6)-5 equation:


Simplifying
-7 + -7(3z + 2) = 4(-4z + -6) + -5

Reorder the terms:
-7 + -7(2 + 3z) = 4(-4z + -6) + -5
-7 + (2 * -7 + 3z * -7) = 4(-4z + -6) + -5
-7 + (-14 + -21z) = 4(-4z + -6) + -5

Combine like terms: -7 + -14 = -21
-21 + -21z = 4(-4z + -6) + -5

Reorder the terms:
-21 + -21z = 4(-6 + -4z) + -5
-21 + -21z = (-6 * 4 + -4z * 4) + -5
-21 + -21z = (-24 + -16z) + -5

Reorder the terms:
-21 + -21z = -24 + -5 + -16z

Combine like terms: -24 + -5 = -29
-21 + -21z = -29 + -16z

Solving
-21 + -21z = -29 + -16z

Solving for variable 'z'.

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

Add '16z' to each side of the equation.
-21 + -21z + 16z = -29 + -16z + 16z

Combine like terms: -21z + 16z = -5z
-21 + -5z = -29 + -16z + 16z

Combine like terms: -16z + 16z = 0
-21 + -5z = -29 + 0
-21 + -5z = -29

Add '21' to each side of the equation.
-21 + 21 + -5z = -29 + 21

Combine like terms: -21 + 21 = 0
0 + -5z = -29 + 21
-5z = -29 + 21

Combine like terms: -29 + 21 = -8
-5z = -8

Divide each side by '-5'.
z = 1.6

Simplifying
z = 1.6

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