1+3(-7z-8)=7(-2z-4)+2

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Solution for 1+3(-7z-8)=7(-2z-4)+2 equation:


Simplifying
1 + 3(-7z + -8) = 7(-2z + -4) + 2

Reorder the terms:
1 + 3(-8 + -7z) = 7(-2z + -4) + 2
1 + (-8 * 3 + -7z * 3) = 7(-2z + -4) + 2
1 + (-24 + -21z) = 7(-2z + -4) + 2

Combine like terms: 1 + -24 = -23
-23 + -21z = 7(-2z + -4) + 2

Reorder the terms:
-23 + -21z = 7(-4 + -2z) + 2
-23 + -21z = (-4 * 7 + -2z * 7) + 2
-23 + -21z = (-28 + -14z) + 2

Reorder the terms:
-23 + -21z = -28 + 2 + -14z

Combine like terms: -28 + 2 = -26
-23 + -21z = -26 + -14z

Solving
-23 + -21z = -26 + -14z

Solving for variable 'z'.

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

Add '14z' to each side of the equation.
-23 + -21z + 14z = -26 + -14z + 14z

Combine like terms: -21z + 14z = -7z
-23 + -7z = -26 + -14z + 14z

Combine like terms: -14z + 14z = 0
-23 + -7z = -26 + 0
-23 + -7z = -26

Add '23' to each side of the equation.
-23 + 23 + -7z = -26 + 23

Combine like terms: -23 + 23 = 0
0 + -7z = -26 + 23
-7z = -26 + 23

Combine like terms: -26 + 23 = -3
-7z = -3

Divide each side by '-7'.
z = 0.4285714286

Simplifying
z = 0.4285714286

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