-7(-2r+2)-2(r-5)=6r+5r

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Solution for -7(-2r+2)-2(r-5)=6r+5r equation:


Simplifying
-7(-2r + 2) + -2(r + -5) = 6r + 5r

Reorder the terms:
-7(2 + -2r) + -2(r + -5) = 6r + 5r
(2 * -7 + -2r * -7) + -2(r + -5) = 6r + 5r
(-14 + 14r) + -2(r + -5) = 6r + 5r

Reorder the terms:
-14 + 14r + -2(-5 + r) = 6r + 5r
-14 + 14r + (-5 * -2 + r * -2) = 6r + 5r
-14 + 14r + (10 + -2r) = 6r + 5r

Reorder the terms:
-14 + 10 + 14r + -2r = 6r + 5r

Combine like terms: -14 + 10 = -4
-4 + 14r + -2r = 6r + 5r

Combine like terms: 14r + -2r = 12r
-4 + 12r = 6r + 5r

Combine like terms: 6r + 5r = 11r
-4 + 12r = 11r

Solving
-4 + 12r = 11r

Solving for variable 'r'.

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

Add '-11r' to each side of the equation.
-4 + 12r + -11r = 11r + -11r

Combine like terms: 12r + -11r = 1r
-4 + 1r = 11r + -11r

Combine like terms: 11r + -11r = 0
-4 + 1r = 0

Add '4' to each side of the equation.
-4 + 4 + 1r = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 1r = 0 + 4
1r = 0 + 4

Combine like terms: 0 + 4 = 4
1r = 4

Divide each side by '1'.
r = 4

Simplifying
r = 4

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