7(3-2r)+2(r+2)=25

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Solution for 7(3-2r)+2(r+2)=25 equation: 


Simplifying
7(3 + -2r) + 2(r + 2) = 25
(3 * 7 + -2r * 7) + 2(r + 2) = 25
(21 + -14r) + 2(r + 2) = 25

Reorder the terms:
21 + -14r + 2(2 + r) = 25
21 + -14r + (2 * 2 + r * 2) = 25
21 + -14r + (4 + 2r) = 25

Reorder the terms:
21 + 4 + -14r + 2r = 25

Combine like terms: 21 + 4 = 25
25 + -14r + 2r = 25

Combine like terms: -14r + 2r = -12r
25 + -12r = 25

Add '-25' to each side of the equation.
25 + -25 + -12r = 25 + -25

Combine like terms: 25 + -25 = 0
0 + -12r = 25 + -25
-12r = 25 + -25

Combine like terms: 25 + -25 = 0
-12r = 0

Solving
-12r = 0

Solving for variable 'r'.

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

Divide each side by '-12'.
r = 0

Simplifying
r = 0

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