7r-4s+r-2s=

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Solution for 7r-4s+r-2s= equation:


Simplifying
7r + -4s + r + -2s = 0

Reorder the terms:
7r + r + -4s + -2s = 0

Combine like terms: 7r + r = 8r
8r + -4s + -2s = 0

Combine like terms: -4s + -2s = -6s
8r + -6s = 0

Solving
8r + -6s = 0

Solving for variable 'r'.

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

Add '6s' to each side of the equation.
8r + -6s + 6s = 0 + 6s

Combine like terms: -6s + 6s = 0
8r + 0 = 0 + 6s
8r = 0 + 6s
Remove the zero:
8r = 6s

Divide each side by '8'.
r = 0.75s

Simplifying
r = 0.75s

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