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Earn +20 ptsQ: 7x -21 Can you please help?
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What is the answer for 12x minus 4 equal 7x minus 21?
12x - 4 = 7x - 21 12x -7x = -21 + 4 5x = -17 x = -3.4
Which is a solution for the equation 7x 21 105?
If you mean: 7x+21 = 105 Then the solution is: x = 12
What is 7x plus 3y equals 21 a negative or positive slope?
y=mx+b 7x+3y=21 3y=21-7x *****_ y=7-2.3x *****_ m= -2.3 negative
What is X in X-3-7X equals 21?
x-3-7x=21 -6x=21+3 6x=-24 x=-4
-3x equals -21 plus 4x?
-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3
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