-15=1.4(4z-1)

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Solution for -15=1.4(4z-1) equation:


Simplifying
-15 = 1.4(4z + -1)

Reorder the terms:
-15 = 1.4(-1 + 4z)
-15 = (-1 * 1.4 + 4z * 1.4)
-15 = (-1.4 + 5.6z)

Solving
-15 = -1.4 + 5.6z

Solving for variable 'z'.

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

Add '-5.6z' to each side of the equation.
-15 + -5.6z = -1.4 + 5.6z + -5.6z

Combine like terms: 5.6z + -5.6z = 0.0
-15 + -5.6z = -1.4 + 0.0
-15 + -5.6z = -1.4

Add '15' to each side of the equation.
-15 + 15 + -5.6z = -1.4 + 15

Combine like terms: -15 + 15 = 0
0 + -5.6z = -1.4 + 15
-5.6z = -1.4 + 15

Combine like terms: -1.4 + 15 = 13.6
-5.6z = 13.6

Divide each side by '-5.6'.
z = -2.428571429

Simplifying
z = -2.428571429

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