Is r equals 9 a solution of 128 equals 16r?

Anonymous

∙ 12y ago

Updated: 8/18/2019

No, it is not.

Substitute and check. You have 128 + 16r.

So now, if r=9, then the equation would be 128 = 16x9.

But, 16x9 is 145 and is not equal to 128.

Thus, r=9 is not the solution.

The solution is r+ 128/16 which is equal to 8.

Thus, the actual solution is r = 8.

Wiki User

∙ 12y ago

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