7z+3=2(z-6)

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Solution for 7z+3=2(z-6) equation:


Simplifying
7z + 3 = 2(z + -6)

Reorder the terms:
3 + 7z = 2(z + -6)

Reorder the terms:
3 + 7z = 2(-6 + z)
3 + 7z = (-6 * 2 + z * 2)
3 + 7z = (-12 + 2z)

Solving
3 + 7z = -12 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
3 + 7z + -2z = -12 + 2z + -2z

Combine like terms: 7z + -2z = 5z
3 + 5z = -12 + 2z + -2z

Combine like terms: 2z + -2z = 0
3 + 5z = -12 + 0
3 + 5z = -12

Add '-3' to each side of the equation.
3 + -3 + 5z = -12 + -3

Combine like terms: 3 + -3 = 0
0 + 5z = -12 + -3
5z = -12 + -3

Combine like terms: -12 + -3 = -15
5z = -15

Divide each side by '5'.
z = -3

Simplifying
z = -3

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