(r-3)-(4-2r)=

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Solution for (r-3)-(4-2r)= equation:


Simplifying
(r + -3) + -1(4 + -2r) = 0

Reorder the terms:
(-3 + r) + -1(4 + -2r) = 0

Remove parenthesis around (-3 + r)
-3 + r + -1(4 + -2r) = 0
-3 + r + (4 * -1 + -2r * -1) = 0
-3 + r + (-4 + 2r) = 0

Reorder the terms:
-3 + -4 + r + 2r = 0

Combine like terms: -3 + -4 = -7
-7 + r + 2r = 0

Combine like terms: r + 2r = 3r
-7 + 3r = 0

Solving
-7 + 3r = 0

Solving for variable 'r'.

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

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

Combine like terms: -7 + 7 = 0
0 + 3r = 0 + 7
3r = 0 + 7

Combine like terms: 0 + 7 = 7
3r = 7

Divide each side by '3'.
r = 2.333333333

Simplifying
r = 2.333333333

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