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Solve the following equation. 3(x - 7) - x = 2x - 21
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always true is the answer or -21 = -21
a. 7 b. -2 c. infinity many solutions d. no solutions
infiany many solutions
i think...
C. Is the answer
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It has infinitely many solutions since both sides equal the same.
Thanks! You both deserve a medal.
It's infinitely many solutions because if you try to solve it you end up with 2x = 2x Which means no matter what x you choose, you will get the same value on both sides.
Ok I get it now(:
Can you help with another?
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Close this question, and then post a new one.
Okay, No problem just do what Hero said.
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