-4+3r-7(2s-r)83=

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Solution for -4+3r-7(2s-r)83= equation:


Simplifying
-4 + 3r + -7(2s + -1r) * 83 = 0

Reorder the terms:
-4 + 3r + -7(-1r + 2s) * 83 = 0

Reorder the terms for easier multiplication:
-4 + 3r + -7 * 83(-1r + 2s) = 0

Multiply -7 * 83
-4 + 3r + -581(-1r + 2s) = 0
-4 + 3r + (-1r * -581 + 2s * -581) = 0
-4 + 3r + (581r + -1162s) = 0

Combine like terms: 3r + 581r = 584r
-4 + 584r + -1162s = 0

Solving
-4 + 584r + -1162s = 0

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 584r + 4 + -1162s = 0 + 4

Reorder the terms:
-4 + 4 + 584r + -1162s = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 584r + -1162s = 0 + 4
584r + -1162s = 0 + 4

Combine like terms: 0 + 4 = 4
584r + -1162s = 4

Add '1162s' to each side of the equation.
584r + -1162s + 1162s = 4 + 1162s

Combine like terms: -1162s + 1162s = 0
584r + 0 = 4 + 1162s
584r = 4 + 1162s

Divide each side by '584'.
r = 0.006849315068 + 1.989726027s

Simplifying
r = 0.006849315068 + 1.989726027s

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