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

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


Simplifying
7 + 7(-1z + 6) = 5(-2z + 3) + -7

Reorder the terms:
7 + 7(6 + -1z) = 5(-2z + 3) + -7
7 + (6 * 7 + -1z * 7) = 5(-2z + 3) + -7
7 + (42 + -7z) = 5(-2z + 3) + -7

Combine like terms: 7 + 42 = 49
49 + -7z = 5(-2z + 3) + -7

Reorder the terms:
49 + -7z = 5(3 + -2z) + -7
49 + -7z = (3 * 5 + -2z * 5) + -7
49 + -7z = (15 + -10z) + -7

Reorder the terms:
49 + -7z = 15 + -7 + -10z

Combine like terms: 15 + -7 = 8
49 + -7z = 8 + -10z

Solving
49 + -7z = 8 + -10z

Solving for variable 'z'.

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

Add '10z' to each side of the equation.
49 + -7z + 10z = 8 + -10z + 10z

Combine like terms: -7z + 10z = 3z
49 + 3z = 8 + -10z + 10z

Combine like terms: -10z + 10z = 0
49 + 3z = 8 + 0
49 + 3z = 8

Add '-49' to each side of the equation.
49 + -49 + 3z = 8 + -49

Combine like terms: 49 + -49 = 0
0 + 3z = 8 + -49
3z = 8 + -49

Combine like terms: 8 + -49 = -41
3z = -41

Divide each side by '3'.
z = -13.66666667

Simplifying
z = -13.66666667

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