2(z-1)=4(5z+4)

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Solution for 2(z-1)=4(5z+4) equation:


Simplifying
2(z + -1) = 4(5z + 4)

Reorder the terms:
2(-1 + z) = 4(5z + 4)
(-1 * 2 + z * 2) = 4(5z + 4)
(-2 + 2z) = 4(5z + 4)

Reorder the terms:
-2 + 2z = 4(4 + 5z)
-2 + 2z = (4 * 4 + 5z * 4)
-2 + 2z = (16 + 20z)

Solving
-2 + 2z = 16 + 20z

Solving for variable 'z'.

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

Add '-20z' to each side of the equation.
-2 + 2z + -20z = 16 + 20z + -20z

Combine like terms: 2z + -20z = -18z
-2 + -18z = 16 + 20z + -20z

Combine like terms: 20z + -20z = 0
-2 + -18z = 16 + 0
-2 + -18z = 16

Add '2' to each side of the equation.
-2 + 2 + -18z = 16 + 2

Combine like terms: -2 + 2 = 0
0 + -18z = 16 + 2
-18z = 16 + 2

Combine like terms: 16 + 2 = 18
-18z = 18

Divide each side by '-18'.
z = -1

Simplifying
z = -1

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