7-3(5z-10)=67

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Solution for 7-3(5z-10)=67 equation: 


Simplifying
7 + -3(5z + -10) = 67

Reorder the terms:
7 + -3(-10 + 5z) = 67
7 + (-10 * -3 + 5z * -3) = 67
7 + (30 + -15z) = 67

Combine like terms: 7 + 30 = 37
37 + -15z = 67

Solving
37 + -15z = 67

Solving for variable 'z'.

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

Add '-37' to each side of the equation.
37 + -37 + -15z = 67 + -37

Combine like terms: 37 + -37 = 0
0 + -15z = 67 + -37
-15z = 67 + -37

Combine like terms: 67 + -37 = 30
-15z = 30

Divide each side by '-15'.
z = -2

Simplifying
z = -2

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