z+2.5z-0.2=-2(z-5.4)

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Solution for z+2.5z-0.2=-2(z-5.4) equation:


Simplifying
z + 2.5z + -0.2 = -2(z + -5.4)

Reorder the terms:
-0.2 + z + 2.5z = -2(z + -5.4)

Combine like terms: z + 2.5z = 3.5z
-0.2 + 3.5z = -2(z + -5.4)

Reorder the terms:
-0.2 + 3.5z = -2(-5.4 + z)
-0.2 + 3.5z = (-5.4 * -2 + z * -2)
-0.2 + 3.5z = (10.8 + -2z)

Solving
-0.2 + 3.5z = 10.8 + -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.
-0.2 + 3.5z + 2z = 10.8 + -2z + 2z

Combine like terms: 3.5z + 2z = 5.5z
-0.2 + 5.5z = 10.8 + -2z + 2z

Combine like terms: -2z + 2z = 0
-0.2 + 5.5z = 10.8 + 0
-0.2 + 5.5z = 10.8

Add '0.2' to each side of the equation.
-0.2 + 0.2 + 5.5z = 10.8 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.0 + 5.5z = 10.8 + 0.2
5.5z = 10.8 + 0.2

Combine like terms: 10.8 + 0.2 = 11
5.5z = 11

Divide each side by '5.5'.
z = 2

Simplifying
z = 2

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