-1-9(-5z+9)=-6(-3z+5)-7

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Solution for -1-9(-5z+9)=-6(-3z+5)-7 equation:


Simplifying
-1 + -9(-5z + 9) = -6(-3z + 5) + -7

Reorder the terms:
-1 + -9(9 + -5z) = -6(-3z + 5) + -7
-1 + (9 * -9 + -5z * -9) = -6(-3z + 5) + -7
-1 + (-81 + 45z) = -6(-3z + 5) + -7

Combine like terms: -1 + -81 = -82
-82 + 45z = -6(-3z + 5) + -7

Reorder the terms:
-82 + 45z = -6(5 + -3z) + -7
-82 + 45z = (5 * -6 + -3z * -6) + -7
-82 + 45z = (-30 + 18z) + -7

Reorder the terms:
-82 + 45z = -30 + -7 + 18z

Combine like terms: -30 + -7 = -37
-82 + 45z = -37 + 18z

Solving
-82 + 45z = -37 + 18z

Solving for variable 'z'.

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

Add '-18z' to each side of the equation.
-82 + 45z + -18z = -37 + 18z + -18z

Combine like terms: 45z + -18z = 27z
-82 + 27z = -37 + 18z + -18z

Combine like terms: 18z + -18z = 0
-82 + 27z = -37 + 0
-82 + 27z = -37

Add '82' to each side of the equation.
-82 + 82 + 27z = -37 + 82

Combine like terms: -82 + 82 = 0
0 + 27z = -37 + 82
27z = -37 + 82

Combine like terms: -37 + 82 = 45
27z = 45

Divide each side by '27'.
z = 1.666666667

Simplifying
z = 1.666666667

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