0.6(z-2)=0.4(z+7)

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Solution for 0.6(z-2)=0.4(z+7) equation:


Simplifying
0.6(z + -2) = 0.4(z + 7)

Reorder the terms:
0.6(-2 + z) = 0.4(z + 7)
(-2 * 0.6 + z * 0.6) = 0.4(z + 7)
(-1.2 + 0.6z) = 0.4(z + 7)

Reorder the terms:
-1.2 + 0.6z = 0.4(7 + z)
-1.2 + 0.6z = (7 * 0.4 + z * 0.4)
-1.2 + 0.6z = (2.8 + 0.4z)

Solving
-1.2 + 0.6z = 2.8 + 0.4z

Solving for variable 'z'.

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

Add '-0.4z' to each side of the equation.
-1.2 + 0.6z + -0.4z = 2.8 + 0.4z + -0.4z

Combine like terms: 0.6z + -0.4z = 0.2z
-1.2 + 0.2z = 2.8 + 0.4z + -0.4z

Combine like terms: 0.4z + -0.4z = 0.0
-1.2 + 0.2z = 2.8 + 0.0
-1.2 + 0.2z = 2.8

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.2z = 2.8 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.2z = 2.8 + 1.2
0.2z = 2.8 + 1.2

Combine like terms: 2.8 + 1.2 = 4
0.2z = 4

Divide each side by '0.2'.
z = 20

Simplifying
z = 20

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