2z+3=2(6z-20)

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Solution for 2z+3=2(6z-20) equation:


Simplifying
2z + 3 = 2(6z + -20)

Reorder the terms:
3 + 2z = 2(6z + -20)

Reorder the terms:
3 + 2z = 2(-20 + 6z)
3 + 2z = (-20 * 2 + 6z * 2)
3 + 2z = (-40 + 12z)

Solving
3 + 2z = -40 + 12z

Solving for variable 'z'.

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

Add '-12z' to each side of the equation.
3 + 2z + -12z = -40 + 12z + -12z

Combine like terms: 2z + -12z = -10z
3 + -10z = -40 + 12z + -12z

Combine like terms: 12z + -12z = 0
3 + -10z = -40 + 0
3 + -10z = -40

Add '-3' to each side of the equation.
3 + -3 + -10z = -40 + -3

Combine like terms: 3 + -3 = 0
0 + -10z = -40 + -3
-10z = -40 + -3

Combine like terms: -40 + -3 = -43
-10z = -43

Divide each side by '-10'.
z = 4.3

Simplifying
z = 4.3

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