3r-4(r+5)=0

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Solution for 3r-4(r+5)=0 equation:


Simplifying
3r + -4(r + 5) = 0

Reorder the terms:
3r + -4(5 + r) = 0
3r + (5 * -4 + r * -4) = 0
3r + (-20 + -4r) = 0

Reorder the terms:
-20 + 3r + -4r = 0

Combine like terms: 3r + -4r = -1r
-20 + -1r = 0

Solving
-20 + -1r = 0

Solving for variable 'r'.

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

Add '20' to each side of the equation.
-20 + 20 + -1r = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -1r = 0 + 20
-1r = 0 + 20

Combine like terms: 0 + 20 = 20
-1r = 20

Divide each side by '-1'.
r = -20

Simplifying
r = -20

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