-2+7(2z+1)=-7(-7z-2)-7

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


Simplifying
-2 + 7(2z + 1) = -7(-7z + -2) + -7

Reorder the terms:
-2 + 7(1 + 2z) = -7(-7z + -2) + -7
-2 + (1 * 7 + 2z * 7) = -7(-7z + -2) + -7
-2 + (7 + 14z) = -7(-7z + -2) + -7

Combine like terms: -2 + 7 = 5
5 + 14z = -7(-7z + -2) + -7

Reorder the terms:
5 + 14z = -7(-2 + -7z) + -7
5 + 14z = (-2 * -7 + -7z * -7) + -7
5 + 14z = (14 + 49z) + -7

Reorder the terms:
5 + 14z = 14 + -7 + 49z

Combine like terms: 14 + -7 = 7
5 + 14z = 7 + 49z

Solving
5 + 14z = 7 + 49z

Solving for variable 'z'.

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

Add '-49z' to each side of the equation.
5 + 14z + -49z = 7 + 49z + -49z

Combine like terms: 14z + -49z = -35z
5 + -35z = 7 + 49z + -49z

Combine like terms: 49z + -49z = 0
5 + -35z = 7 + 0
5 + -35z = 7

Add '-5' to each side of the equation.
5 + -5 + -35z = 7 + -5

Combine like terms: 5 + -5 = 0
0 + -35z = 7 + -5
-35z = 7 + -5

Combine like terms: 7 + -5 = 2
-35z = 2

Divide each side by '-35'.
z = -0.05714285714

Simplifying
z = -0.05714285714

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