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miskamm [114]
3 years ago
9

Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions

, and identify each equation as an identity, a contradiction, or neither
(A) 6x+4x-6=24+9x
(B)25-4x=15 -3x+10-x
(C) 4x+8=2x+7 +2x-20
Mathematics
1 answer:
WITCHER [35]3 years ago
6 0
Solve   <span>6x+4x-6=24+9x.  Combine all the x terms on one side and all the constants on the other:

10x-9x = 24+6, or x = 30.  ONE soution.


Solve   </span><span>4x+8=2x+7 +2x-20.  Combine all the x terms on one side and all the constants on the other:  4x - 2x - 2x = 7 - 20 - 8 =>   0 = -21

This is NEVER true, so   </span><span>4x+8=2x+7 +2x-20    has NO SOLUTION.

Please try solving equation B yourself.  Then I'd gladly comment on your work.</span>
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