0.3(4z+6)+10.7=0.7(4z-5)

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Solution for 0.3(4z+6)+10.7=0.7(4z-5) equation:


Simplifying
0.3(4z + 6) + 10.7 = 0.7(4z + -5)

Reorder the terms:
0.3(6 + 4z) + 10.7 = 0.7(4z + -5)
(6 * 0.3 + 4z * 0.3) + 10.7 = 0.7(4z + -5)
(1.8 + 1.2z) + 10.7 = 0.7(4z + -5)

Reorder the terms:
1.8 + 10.7 + 1.2z = 0.7(4z + -5)

Combine like terms: 1.8 + 10.7 = 12.5
12.5 + 1.2z = 0.7(4z + -5)

Reorder the terms:
12.5 + 1.2z = 0.7(-5 + 4z)
12.5 + 1.2z = (-5 * 0.7 + 4z * 0.7)
12.5 + 1.2z = (-3.5 + 2.8z)

Solving
12.5 + 1.2z = -3.5 + 2.8z

Solving for variable 'z'.

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

Add '-2.8z' to each side of the equation.
12.5 + 1.2z + -2.8z = -3.5 + 2.8z + -2.8z

Combine like terms: 1.2z + -2.8z = -1.6z
12.5 + -1.6z = -3.5 + 2.8z + -2.8z

Combine like terms: 2.8z + -2.8z = 0.0
12.5 + -1.6z = -3.5 + 0.0
12.5 + -1.6z = -3.5

Add '-12.5' to each side of the equation.
12.5 + -12.5 + -1.6z = -3.5 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + -1.6z = -3.5 + -12.5
-1.6z = -3.5 + -12.5

Combine like terms: -3.5 + -12.5 = -16
-1.6z = -16

Divide each side by '-1.6'.
z = 10

Simplifying
z = 10

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