2-5(3z+4)=30

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Solution for 2-5(3z+4)=30 equation:


Simplifying
2 + -5(3z + 4) = 30

Reorder the terms:
2 + -5(4 + 3z) = 30
2 + (4 * -5 + 3z * -5) = 30
2 + (-20 + -15z) = 30

Combine like terms: 2 + -20 = -18
-18 + -15z = 30

Solving
-18 + -15z = 30

Solving for variable 'z'.

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

Add '18' to each side of the equation.
-18 + 18 + -15z = 30 + 18

Combine like terms: -18 + 18 = 0
0 + -15z = 30 + 18
-15z = 30 + 18

Combine like terms: 30 + 18 = 48
-15z = 48

Divide each side by '-15'.
z = -3.2

Simplifying
z = -3.2

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