2-5(2z-1)-3z=20

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Solution for 2-5(2z-1)-3z=20 equation:


Simplifying
2 + -5(2z + -1) + -3z = 20

Reorder the terms:
2 + -5(-1 + 2z) + -3z = 20
2 + (-1 * -5 + 2z * -5) + -3z = 20
2 + (5 + -10z) + -3z = 20

Combine like terms: 2 + 5 = 7
7 + -10z + -3z = 20

Combine like terms: -10z + -3z = -13z
7 + -13z = 20

Solving
7 + -13z = 20

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + -13z = 20 + -7

Combine like terms: 7 + -7 = 0
0 + -13z = 20 + -7
-13z = 20 + -7

Combine like terms: 20 + -7 = 13
-13z = 13

Divide each side by '-13'.
z = -1

Simplifying
z = -1

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