180-(6z-9)=180-(90+2z+1)

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Solution for 180-(6z-9)=180-(90+2z+1) equation:


Simplifying
180 + -1(6z + -9) = 180 + -1(90 + 2z + 1)

Reorder the terms:
180 + -1(-9 + 6z) = 180 + -1(90 + 2z + 1)
180 + (-9 * -1 + 6z * -1) = 180 + -1(90 + 2z + 1)
180 + (9 + -6z) = 180 + -1(90 + 2z + 1)

Combine like terms: 180 + 9 = 189
189 + -6z = 180 + -1(90 + 2z + 1)

Reorder the terms:
189 + -6z = 180 + -1(90 + 1 + 2z)

Combine like terms: 90 + 1 = 91
189 + -6z = 180 + -1(91 + 2z)
189 + -6z = 180 + (91 * -1 + 2z * -1)
189 + -6z = 180 + (-91 + -2z)

Combine like terms: 180 + -91 = 89
189 + -6z = 89 + -2z

Solving
189 + -6z = 89 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
189 + -6z + 2z = 89 + -2z + 2z

Combine like terms: -6z + 2z = -4z
189 + -4z = 89 + -2z + 2z

Combine like terms: -2z + 2z = 0
189 + -4z = 89 + 0
189 + -4z = 89

Add '-189' to each side of the equation.
189 + -189 + -4z = 89 + -189

Combine like terms: 189 + -189 = 0
0 + -4z = 89 + -189
-4z = 89 + -189

Combine like terms: 89 + -189 = -100
-4z = -100

Divide each side by '-4'.
z = 25

Simplifying
z = 25

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