-13r-7(19-4r)=54-2r

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Solution for -13r-7(19-4r)=54-2r equation:


Simplifying
-13r + -7(19 + -4r) = 54 + -2r
-13r + (19 * -7 + -4r * -7) = 54 + -2r
-13r + (-133 + 28r) = 54 + -2r

Reorder the terms:
-133 + -13r + 28r = 54 + -2r

Combine like terms: -13r + 28r = 15r
-133 + 15r = 54 + -2r

Solving
-133 + 15r = 54 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
-133 + 15r + 2r = 54 + -2r + 2r

Combine like terms: 15r + 2r = 17r
-133 + 17r = 54 + -2r + 2r

Combine like terms: -2r + 2r = 0
-133 + 17r = 54 + 0
-133 + 17r = 54

Add '133' to each side of the equation.
-133 + 133 + 17r = 54 + 133

Combine like terms: -133 + 133 = 0
0 + 17r = 54 + 133
17r = 54 + 133

Combine like terms: 54 + 133 = 187
17r = 187

Divide each side by '17'.
r = 11

Simplifying
r = 11

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