-7(1-4z)+2=19-5r

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Solution for -7(1-4z)+2=19-5r equation:


Simplifying
-7(1 + -4z) + 2 = 19 + -5r
(1 * -7 + -4z * -7) + 2 = 19 + -5r
(-7 + 28z) + 2 = 19 + -5r

Reorder the terms:
-7 + 2 + 28z = 19 + -5r

Combine like terms: -7 + 2 = -5
-5 + 28z = 19 + -5r

Solving
-5 + 28z = 19 + -5r

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + 28z = 19 + 5 + -5r

Combine like terms: -5 + 5 = 0
0 + 28z = 19 + 5 + -5r
28z = 19 + 5 + -5r

Combine like terms: 19 + 5 = 24
28z = 24 + -5r

Divide each side by '28'.
z = 0.8571428571 + -0.1785714286r

Simplifying
z = 0.8571428571 + -0.1785714286r

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