3(z-3)-2=4z-20

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Solution for 3(z-3)-2=4z-20 equation:


Simplifying
3(z + -3) + -2 = 4z + -20

Reorder the terms:
3(-3 + z) + -2 = 4z + -20
(-3 * 3 + z * 3) + -2 = 4z + -20
(-9 + 3z) + -2 = 4z + -20

Reorder the terms:
-9 + -2 + 3z = 4z + -20

Combine like terms: -9 + -2 = -11
-11 + 3z = 4z + -20

Reorder the terms:
-11 + 3z = -20 + 4z

Solving
-11 + 3z = -20 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
-11 + 3z + -4z = -20 + 4z + -4z

Combine like terms: 3z + -4z = -1z
-11 + -1z = -20 + 4z + -4z

Combine like terms: 4z + -4z = 0
-11 + -1z = -20 + 0
-11 + -1z = -20

Add '11' to each side of the equation.
-11 + 11 + -1z = -20 + 11

Combine like terms: -11 + 11 = 0
0 + -1z = -20 + 11
-1z = -20 + 11

Combine like terms: -20 + 11 = -9
-1z = -9

Divide each side by '-1'.
z = 9

Simplifying
z = 9

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