0.3(3z+6)+5.2=0.4(3z-5)

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Solution for 0.3(3z+6)+5.2=0.4(3z-5) equation:


Simplifying
0.3(3z + 6) + 5.2 = 0.4(3z + -5)

Reorder the terms:
0.3(6 + 3z) + 5.2 = 0.4(3z + -5)
(6 * 0.3 + 3z * 0.3) + 5.2 = 0.4(3z + -5)
(1.8 + 0.9z) + 5.2 = 0.4(3z + -5)

Reorder the terms:
1.8 + 5.2 + 0.9z = 0.4(3z + -5)

Combine like terms: 1.8 + 5.2 = 7
7 + 0.9z = 0.4(3z + -5)

Reorder the terms:
7 + 0.9z = 0.4(-5 + 3z)
7 + 0.9z = (-5 * 0.4 + 3z * 0.4)
7 + 0.9z = (-2 + 1.2z)

Solving
7 + 0.9z = -2 + 1.2z

Solving for variable 'z'.

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

Add '-1.2z' to each side of the equation.
7 + 0.9z + -1.2z = -2 + 1.2z + -1.2z

Combine like terms: 0.9z + -1.2z = -0.3z
7 + -0.3z = -2 + 1.2z + -1.2z

Combine like terms: 1.2z + -1.2z = 0.0
7 + -0.3z = -2 + 0.0
7 + -0.3z = -2

Add '-7' to each side of the equation.
7 + -7 + -0.3z = -2 + -7

Combine like terms: 7 + -7 = 0
0 + -0.3z = -2 + -7
-0.3z = -2 + -7

Combine like terms: -2 + -7 = -9
-0.3z = -9

Divide each side by '-0.3'.
z = 30

Simplifying
z = 30

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