49s+7rs-21-3r=0

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Solution for 49s+7rs-21-3r=0 equation:


Simplifying
49s + 7rs + -21 + -3r = 0

Reorder the terms:
-21 + -3r + 7rs + 49s = 0

Solving
-21 + -3r + 7rs + 49s = 0

Solving for variable 'r'.

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

Add '21' to each side of the equation.
-21 + -3r + 7rs + 21 + 49s = 0 + 21

Reorder the terms:
-21 + 21 + -3r + 7rs + 49s = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -3r + 7rs + 49s = 0 + 21
-3r + 7rs + 49s = 0 + 21

Combine like terms: 0 + 21 = 21
-3r + 7rs + 49s = 21

Add '-49s' to each side of the equation.
-3r + 7rs + 49s + -49s = 21 + -49s

Combine like terms: 49s + -49s = 0
-3r + 7rs + 0 = 21 + -49s
-3r + 7rs = 21 + -49s

Reorder the terms:
-21 + -3r + 7rs + 49s = 21 + -49s + -21 + 49s

Reorder the terms:
-21 + -3r + 7rs + 49s = 21 + -21 + -49s + 49s

Combine like terms: 21 + -21 = 0
-21 + -3r + 7rs + 49s = 0 + -49s + 49s
-21 + -3r + 7rs + 49s = -49s + 49s

Combine like terms: -49s + 49s = 0
-21 + -3r + 7rs + 49s = 0

The solution to this equation could not be determined.

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