42-(z+6)=3z-4

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Solution for 42-(z+6)=3z-4 equation:


Simplifying
42 + -1(z + 6) = 3z + -4

Reorder the terms:
42 + -1(6 + z) = 3z + -4
42 + (6 * -1 + z * -1) = 3z + -4
42 + (-6 + -1z) = 3z + -4

Combine like terms: 42 + -6 = 36
36 + -1z = 3z + -4

Reorder the terms:
36 + -1z = -4 + 3z

Solving
36 + -1z = -4 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
36 + -1z + -3z = -4 + 3z + -3z

Combine like terms: -1z + -3z = -4z
36 + -4z = -4 + 3z + -3z

Combine like terms: 3z + -3z = 0
36 + -4z = -4 + 0
36 + -4z = -4

Add '-36' to each side of the equation.
36 + -36 + -4z = -4 + -36

Combine like terms: 36 + -36 = 0
0 + -4z = -4 + -36
-4z = -4 + -36

Combine like terms: -4 + -36 = -40
-4z = -40

Divide each side by '-4'.
z = 10

Simplifying
z = 10

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