4-4(-4z+3)=7(9z-7)-1

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Solution for 4-4(-4z+3)=7(9z-7)-1 equation:


Simplifying
4 + -4(-4z + 3) = 7(9z + -7) + -1

Reorder the terms:
4 + -4(3 + -4z) = 7(9z + -7) + -1
4 + (3 * -4 + -4z * -4) = 7(9z + -7) + -1
4 + (-12 + 16z) = 7(9z + -7) + -1

Combine like terms: 4 + -12 = -8
-8 + 16z = 7(9z + -7) + -1

Reorder the terms:
-8 + 16z = 7(-7 + 9z) + -1
-8 + 16z = (-7 * 7 + 9z * 7) + -1
-8 + 16z = (-49 + 63z) + -1

Reorder the terms:
-8 + 16z = -49 + -1 + 63z

Combine like terms: -49 + -1 = -50
-8 + 16z = -50 + 63z

Solving
-8 + 16z = -50 + 63z

Solving for variable 'z'.

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

Add '-63z' to each side of the equation.
-8 + 16z + -63z = -50 + 63z + -63z

Combine like terms: 16z + -63z = -47z
-8 + -47z = -50 + 63z + -63z

Combine like terms: 63z + -63z = 0
-8 + -47z = -50 + 0
-8 + -47z = -50

Add '8' to each side of the equation.
-8 + 8 + -47z = -50 + 8

Combine like terms: -8 + 8 = 0
0 + -47z = -50 + 8
-47z = -50 + 8

Combine like terms: -50 + 8 = -42
-47z = -42

Divide each side by '-47'.
z = 0.8936170213

Simplifying
z = 0.8936170213

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