56-5(21+r)=

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Solution for 56-5(21+r)= equation:


Simplifying
56 + -5(21 + r) = 0
56 + (21 * -5 + r * -5) = 0
56 + (-105 + -5r) = 0

Combine like terms: 56 + -105 = -49
-49 + -5r = 0

Solving
-49 + -5r = 0

Solving for variable 'r'.

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

Add '49' to each side of the equation.
-49 + 49 + -5r = 0 + 49

Combine like terms: -49 + 49 = 0
0 + -5r = 0 + 49
-5r = 0 + 49

Combine like terms: 0 + 49 = 49
-5r = 49

Divide each side by '-5'.
r = -9.8

Simplifying
r = -9.8

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