76=r-8+15-11

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Solution for 76=r-8+15-11 equation:


Simplifying
76 = r + -8 + 15 + -11

Reorder the terms:
76 = -8 + 15 + -11 + r

Combine like terms: -8 + 15 = 7
76 = 7 + -11 + r

Combine like terms: 7 + -11 = -4
76 = -4 + r

Solving
76 = -4 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
76 + -1r = -4 + r + -1r

Combine like terms: r + -1r = 0
76 + -1r = -4 + 0
76 + -1r = -4

Add '-76' to each side of the equation.
76 + -76 + -1r = -4 + -76

Combine like terms: 76 + -76 = 0
0 + -1r = -4 + -76
-1r = -4 + -76

Combine like terms: -4 + -76 = -80
-1r = -80

Divide each side by '-1'.
r = 80

Simplifying
r = 80

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