3x=2(5x-1)=11
3x=10x-2=11
-10x -10x
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-7x=-2=11
+2 +2
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-7x=13
----- ------
-7 -7
x= -1.9
The answer is 6 & 7.
6 * 7 = 42
6 + 7 = 13
Answer:
here's your answer v
Step-by-step explanation:
The first number in the sequence, , is -2.
Each number after that is the previous number multiplied by -2.
etc. We start by stating that .
Now we need to show that for all n greater than or equal to 2, each number in the sequence is the previous number multiplied by -2.
this is the answer.
Answer:
a1+= -2; an = - 2a-1, n > 2