-7+3(-3z+4)=4(-8z-3)-4

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Solution for -7+3(-3z+4)=4(-8z-3)-4 equation:


Simplifying
-7 + 3(-3z + 4) = 4(-8z + -3) + -4

Reorder the terms:
-7 + 3(4 + -3z) = 4(-8z + -3) + -4
-7 + (4 * 3 + -3z * 3) = 4(-8z + -3) + -4
-7 + (12 + -9z) = 4(-8z + -3) + -4

Combine like terms: -7 + 12 = 5
5 + -9z = 4(-8z + -3) + -4

Reorder the terms:
5 + -9z = 4(-3 + -8z) + -4
5 + -9z = (-3 * 4 + -8z * 4) + -4
5 + -9z = (-12 + -32z) + -4

Reorder the terms:
5 + -9z = -12 + -4 + -32z

Combine like terms: -12 + -4 = -16
5 + -9z = -16 + -32z

Solving
5 + -9z = -16 + -32z

Solving for variable 'z'.

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

Add '32z' to each side of the equation.
5 + -9z + 32z = -16 + -32z + 32z

Combine like terms: -9z + 32z = 23z
5 + 23z = -16 + -32z + 32z

Combine like terms: -32z + 32z = 0
5 + 23z = -16 + 0
5 + 23z = -16

Add '-5' to each side of the equation.
5 + -5 + 23z = -16 + -5

Combine like terms: 5 + -5 = 0
0 + 23z = -16 + -5
23z = -16 + -5

Combine like terms: -16 + -5 = -21
23z = -21

Divide each side by '23'.
z = -0.9130434783

Simplifying
z = -0.9130434783

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