2r-7(r+1)=3r-5

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Solution for 2r-7(r+1)=3r-5 equation:


Simplifying
2r + -7(r + 1) = 3r + -5

Reorder the terms:
2r + -7(1 + r) = 3r + -5
2r + (1 * -7 + r * -7) = 3r + -5
2r + (-7 + -7r) = 3r + -5

Reorder the terms:
-7 + 2r + -7r = 3r + -5

Combine like terms: 2r + -7r = -5r
-7 + -5r = 3r + -5

Reorder the terms:
-7 + -5r = -5 + 3r

Solving
-7 + -5r = -5 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-7 + -5r + -3r = -5 + 3r + -3r

Combine like terms: -5r + -3r = -8r
-7 + -8r = -5 + 3r + -3r

Combine like terms: 3r + -3r = 0
-7 + -8r = -5 + 0
-7 + -8r = -5

Add '7' to each side of the equation.
-7 + 7 + -8r = -5 + 7

Combine like terms: -7 + 7 = 0
0 + -8r = -5 + 7
-8r = -5 + 7

Combine like terms: -5 + 7 = 2
-8r = 2

Divide each side by '-8'.
r = -0.25

Simplifying
r = -0.25

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