(r+4)*2-25=0

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Solution for (r+4)*2-25=0 equation:


Simplifying
(r + 4) * 2 + -25 = 0

Reorder the terms:
(4 + r) * 2 + -25 = 0

Reorder the terms for easier multiplication:
2(4 + r) + -25 = 0
(4 * 2 + r * 2) + -25 = 0
(8 + 2r) + -25 = 0

Reorder the terms:
8 + -25 + 2r = 0

Combine like terms: 8 + -25 = -17
-17 + 2r = 0

Solving
-17 + 2r = 0

Solving for variable 'r'.

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

Add '17' to each side of the equation.
-17 + 17 + 2r = 0 + 17

Combine like terms: -17 + 17 = 0
0 + 2r = 0 + 17
2r = 0 + 17

Combine like terms: 0 + 17 = 17
2r = 17

Divide each side by '2'.
r = 8.5

Simplifying
r = 8.5

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