-9r=-3(10r-14)

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Solution for -9r=-3(10r-14) equation:


Simplifying
-9r = -3(10r + -14)

Reorder the terms:
-9r = -3(-14 + 10r)
-9r = (-14 * -3 + 10r * -3)
-9r = (42 + -30r)

Solving
-9r = 42 + -30r

Solving for variable 'r'.

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

Add '30r' to each side of the equation.
-9r + 30r = 42 + -30r + 30r

Combine like terms: -9r + 30r = 21r
21r = 42 + -30r + 30r

Combine like terms: -30r + 30r = 0
21r = 42 + 0
21r = 42

Divide each side by '21'.
r = 2

Simplifying
r = 2

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