7r-(s+2r)-4s=

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


Simplifying
7r + -1(s + 2r) + -4s = 0

Reorder the terms:
7r + -1(2r + s) + -4s = 0
7r + (2r * -1 + s * -1) + -4s = 0
7r + (-2r + -1s) + -4s = 0

Combine like terms: 7r + -2r = 5r
5r + -1s + -4s = 0

Combine like terms: -1s + -4s = -5s
5r + -5s = 0

Solving
5r + -5s = 0

Solving for variable 'r'.

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

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

Combine like terms: -5s + 5s = 0
5r + 0 = 0 + 5s
5r = 0 + 5s
Remove the zero:
5r = 5s

Divide each side by '5'.
r = s

Simplifying
r = s

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