-5(r-7)=10r-5-5r

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Solution for -5(r-7)=10r-5-5r equation:


Simplifying
-5(r + -7) = 10r + -5 + -5r

Reorder the terms:
-5(-7 + r) = 10r + -5 + -5r
(-7 * -5 + r * -5) = 10r + -5 + -5r
(35 + -5r) = 10r + -5 + -5r

Reorder the terms:
35 + -5r = -5 + 10r + -5r

Combine like terms: 10r + -5r = 5r
35 + -5r = -5 + 5r

Solving
35 + -5r = -5 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
35 + -5r + -5r = -5 + 5r + -5r

Combine like terms: -5r + -5r = -10r
35 + -10r = -5 + 5r + -5r

Combine like terms: 5r + -5r = 0
35 + -10r = -5 + 0
35 + -10r = -5

Add '-35' to each side of the equation.
35 + -35 + -10r = -5 + -35

Combine like terms: 35 + -35 = 0
0 + -10r = -5 + -35
-10r = -5 + -35

Combine like terms: -5 + -35 = -40
-10r = -40

Divide each side by '-10'.
r = 4

Simplifying
r = 4

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