269=5(9r-9)-1

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Solution for 269=5(9r-9)-1 equation:


Simplifying
269 = 5(9r + -9) + -1

Reorder the terms:
269 = 5(-9 + 9r) + -1
269 = (-9 * 5 + 9r * 5) + -1
269 = (-45 + 45r) + -1

Reorder the terms:
269 = -45 + -1 + 45r

Combine like terms: -45 + -1 = -46
269 = -46 + 45r

Solving
269 = -46 + 45r

Solving for variable 'r'.

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

Add '-45r' to each side of the equation.
269 + -45r = -46 + 45r + -45r

Combine like terms: 45r + -45r = 0
269 + -45r = -46 + 0
269 + -45r = -46

Add '-269' to each side of the equation.
269 + -269 + -45r = -46 + -269

Combine like terms: 269 + -269 = 0
0 + -45r = -46 + -269
-45r = -46 + -269

Combine like terms: -46 + -269 = -315
-45r = -315

Divide each side by '-45'.
r = 7

Simplifying
r = 7

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