(-2r)(8)+(25)=

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Solution for (-2r)(8)+(25)= equation:


Simplifying
(-2r)(8) + (25) = 0

Remove parenthesis around (-2r)
-2r(8) + (25) = 0

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

Multiply -2 * 8
-16r + (25) = 0
-16r + 25 = 0

Reorder the terms:
25 + -16r = 0

Solving
25 + -16r = 0

Solving for variable 'r'.

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

Add '-25' to each side of the equation.
25 + -25 + -16r = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -16r = 0 + -25
-16r = 0 + -25

Combine like terms: 0 + -25 = -25
-16r = -25

Divide each side by '-16'.
r = 1.5625

Simplifying
r = 1.5625

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