0.4(3z+6)+7.6=0.5(3z-4)

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Solution for 0.4(3z+6)+7.6=0.5(3z-4) equation:


Simplifying
0.4(3z + 6) + 7.6 = 0.5(3z + -4)

Reorder the terms:
0.4(6 + 3z) + 7.6 = 0.5(3z + -4)
(6 * 0.4 + 3z * 0.4) + 7.6 = 0.5(3z + -4)
(2.4 + 1.2z) + 7.6 = 0.5(3z + -4)

Reorder the terms:
2.4 + 7.6 + 1.2z = 0.5(3z + -4)

Combine like terms: 2.4 + 7.6 = 10
10 + 1.2z = 0.5(3z + -4)

Reorder the terms:
10 + 1.2z = 0.5(-4 + 3z)
10 + 1.2z = (-4 * 0.5 + 3z * 0.5)
10 + 1.2z = (-2 + 1.5z)

Solving
10 + 1.2z = -2 + 1.5z

Solving for variable 'z'.

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

Add '-1.5z' to each side of the equation.
10 + 1.2z + -1.5z = -2 + 1.5z + -1.5z

Combine like terms: 1.2z + -1.5z = -0.3z
10 + -0.3z = -2 + 1.5z + -1.5z

Combine like terms: 1.5z + -1.5z = 0.0
10 + -0.3z = -2 + 0.0
10 + -0.3z = -2

Add '-10' to each side of the equation.
10 + -10 + -0.3z = -2 + -10

Combine like terms: 10 + -10 = 0
0 + -0.3z = -2 + -10
-0.3z = -2 + -10

Combine like terms: -2 + -10 = -12
-0.3z = -12

Divide each side by '-0.3'.
z = 40

Simplifying
z = 40

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