-3(-r+s)-2(4t-7s)=

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Solution for -3(-r+s)-2(4t-7s)= equation:


Simplifying
-3(-1r + s) + -2(4t + -7s) = 0
(-1r * -3 + s * -3) + -2(4t + -7s) = 0
(3r + -3s) + -2(4t + -7s) = 0

Reorder the terms:
3r + -3s + -2(-7s + 4t) = 0
3r + -3s + (-7s * -2 + 4t * -2) = 0
3r + -3s + (14s + -8t) = 0

Combine like terms: -3s + 14s = 11s
3r + 11s + -8t = 0

Solving
3r + 11s + -8t = 0

Solving for variable 'r'.

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

Add '-11s' to each side of the equation.
3r + 11s + -11s + -8t = 0 + -11s

Combine like terms: 11s + -11s = 0
3r + 0 + -8t = 0 + -11s
3r + -8t = 0 + -11s
Remove the zero:
3r + -8t = -11s

Add '8t' to each side of the equation.
3r + -8t + 8t = -11s + 8t

Combine like terms: -8t + 8t = 0
3r + 0 = -11s + 8t
3r = -11s + 8t

Divide each side by '3'.
r = -3.666666667s + 2.666666667t

Simplifying
r = -3.666666667s + 2.666666667t

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