9r-2(r+2)=5(3r-5)-35

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Solution for 9r-2(r+2)=5(3r-5)-35 equation:


Simplifying
9r + -2(r + 2) = 5(3r + -5) + -35

Reorder the terms:
9r + -2(2 + r) = 5(3r + -5) + -35
9r + (2 * -2 + r * -2) = 5(3r + -5) + -35
9r + (-4 + -2r) = 5(3r + -5) + -35

Reorder the terms:
-4 + 9r + -2r = 5(3r + -5) + -35

Combine like terms: 9r + -2r = 7r
-4 + 7r = 5(3r + -5) + -35

Reorder the terms:
-4 + 7r = 5(-5 + 3r) + -35
-4 + 7r = (-5 * 5 + 3r * 5) + -35
-4 + 7r = (-25 + 15r) + -35

Reorder the terms:
-4 + 7r = -25 + -35 + 15r

Combine like terms: -25 + -35 = -60
-4 + 7r = -60 + 15r

Solving
-4 + 7r = -60 + 15r

Solving for variable 'r'.

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

Add '-15r' to each side of the equation.
-4 + 7r + -15r = -60 + 15r + -15r

Combine like terms: 7r + -15r = -8r
-4 + -8r = -60 + 15r + -15r

Combine like terms: 15r + -15r = 0
-4 + -8r = -60 + 0
-4 + -8r = -60

Add '4' to each side of the equation.
-4 + 4 + -8r = -60 + 4

Combine like terms: -4 + 4 = 0
0 + -8r = -60 + 4
-8r = -60 + 4

Combine like terms: -60 + 4 = -56
-8r = -56

Divide each side by '-8'.
r = 7

Simplifying
r = 7

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