-13r-4(-7r-11)=3(5r-7)

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Solution for -13r-4(-7r-11)=3(5r-7) equation: 


Simplifying
-13r + -4(-7r + -11) = 3(5r + -7)

Reorder the terms:
-13r + -4(-11 + -7r) = 3(5r + -7)
-13r + (-11 * -4 + -7r * -4) = 3(5r + -7)
-13r + (44 + 28r) = 3(5r + -7)

Reorder the terms:
44 + -13r + 28r = 3(5r + -7)

Combine like terms: -13r + 28r = 15r
44 + 15r = 3(5r + -7)

Reorder the terms:
44 + 15r = 3(-7 + 5r)
44 + 15r = (-7 * 3 + 5r * 3)
44 + 15r = (-21 + 15r)

Add '-15r' to each side of the equation.
44 + 15r + -15r = -21 + 15r + -15r

Combine like terms: 15r + -15r = 0
44 + 0 = -21 + 15r + -15r
44 = -21 + 15r + -15r

Combine like terms: 15r + -15r = 0
44 = -21 + 0
44 = -21

Solving
44 = -21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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