280=8(8r+3)

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Solution for 280=8(8r+3) equation:


Simplifying
280 = 8(8r + 3)

Reorder the terms:
280 = 8(3 + 8r)
280 = (3 * 8 + 8r * 8)
280 = (24 + 64r)

Solving
280 = 24 + 64r

Solving for variable 'r'.

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

Add '-64r' to each side of the equation.
280 + -64r = 24 + 64r + -64r

Combine like terms: 64r + -64r = 0
280 + -64r = 24 + 0
280 + -64r = 24

Add '-280' to each side of the equation.
280 + -280 + -64r = 24 + -280

Combine like terms: 280 + -280 = 0
0 + -64r = 24 + -280
-64r = 24 + -280

Combine like terms: 24 + -280 = -256
-64r = -256

Divide each side by '-64'.
r = 4

Simplifying
r = 4

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