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

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Solution for 4(r-2)-3(r-1)=2(r+7) equation:


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

Reorder the terms:
4(-2 + r) + -3(r + -1) = 2(r + 7)
(-2 * 4 + r * 4) + -3(r + -1) = 2(r + 7)
(-8 + 4r) + -3(r + -1) = 2(r + 7)

Reorder the terms:
-8 + 4r + -3(-1 + r) = 2(r + 7)
-8 + 4r + (-1 * -3 + r * -3) = 2(r + 7)
-8 + 4r + (3 + -3r) = 2(r + 7)

Reorder the terms:
-8 + 3 + 4r + -3r = 2(r + 7)

Combine like terms: -8 + 3 = -5
-5 + 4r + -3r = 2(r + 7)

Combine like terms: 4r + -3r = 1r
-5 + 1r = 2(r + 7)

Reorder the terms:
-5 + 1r = 2(7 + r)
-5 + 1r = (7 * 2 + r * 2)
-5 + 1r = (14 + 2r)

Solving
-5 + 1r = 14 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-5 + 1r + -2r = 14 + 2r + -2r

Combine like terms: 1r + -2r = -1r
-5 + -1r = 14 + 2r + -2r

Combine like terms: 2r + -2r = 0
-5 + -1r = 14 + 0
-5 + -1r = 14

Add '5' to each side of the equation.
-5 + 5 + -1r = 14 + 5

Combine like terms: -5 + 5 = 0
0 + -1r = 14 + 5
-1r = 14 + 5

Combine like terms: 14 + 5 = 19
-1r = 19

Divide each side by '-1'.
r = -19

Simplifying
r = -19

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