(2r-3)-(-6r+7)=

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Solution for (2r-3)-(-6r+7)= equation:


Simplifying
(2r + -3) + -1(-6r + 7) = 0

Reorder the terms:
(-3 + 2r) + -1(-6r + 7) = 0

Remove parenthesis around (-3 + 2r)
-3 + 2r + -1(-6r + 7) = 0

Reorder the terms:
-3 + 2r + -1(7 + -6r) = 0
-3 + 2r + (7 * -1 + -6r * -1) = 0
-3 + 2r + (-7 + 6r) = 0

Reorder the terms:
-3 + -7 + 2r + 6r = 0

Combine like terms: -3 + -7 = -10
-10 + 2r + 6r = 0

Combine like terms: 2r + 6r = 8r
-10 + 8r = 0

Solving
-10 + 8r = 0

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + 8r = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 8r = 0 + 10
8r = 0 + 10

Combine like terms: 0 + 10 = 10
8r = 10

Divide each side by '8'.
r = 1.25

Simplifying
r = 1.25

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