3.5+8=2(z+7)

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Solution for 3.5+8=2(z+7) equation: 


Simplifying
3.5 + 8 = 2(z + 7)

Combine like terms: 3.5 + 8 = 11.5
11.5 = 2(z + 7)

Reorder the terms:
11.5 = 2(7 + z)
11.5 = (7 * 2 + z * 2)
11.5 = (14 + 2z)

Solving
11.5 = 14 + 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.
11.5 + -2z = 14 + 2z + -2z

Combine like terms: 2z + -2z = 0
11.5 + -2z = 14 + 0
11.5 + -2z = 14

Add '-11.5' to each side of the equation.
11.5 + -11.5 + -2z = 14 + -11.5

Combine like terms: 11.5 + -11.5 = 0.0
0.0 + -2z = 14 + -11.5
-2z = 14 + -11.5

Combine like terms: 14 + -11.5 = 2.5
-2z = 2.5

Divide each side by '-2'.
z = -1.25

Simplifying
z = -1.25

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