Answer:
Step-by-step explanation:
Step1 : Verify Sn is valid for n = 1
<span>Simplify: 6a + 10a + 3a = 0
Combine like terms: 6a + 10a = 16a
WHICH IS:16a + 3a = 19a
19a = 0
Solving
19a = 0
Solve for a: 19a=0
Move all terms containing a to the left, all other terms to the right.
Divide each side by '19'.
a = 0
Simplify a = 0</span>
x=4/7
Step-by-step explanation:
get x alone.
1st get 3 on the other side of the = sign by using the opposite sign. the opposite of addition is subtraction
-5x+3=2x-1
-3 -3
-5x=2x-1-3
-5x=2x-4
now we get the xs together. the opposite of addition( the 2 is positive) is subtraction
-5x=2x-4
-2x -2x
-7x=-4
now let's get the -7 out of here. -7 is multiplying by x. the opposite of multiplication is division.
<u>-7x</u><u> </u>= <u>-</u><u>4</u>
-7. -7
x=-4/-7
negative divided by a negative is a positive
x=4/7
Answer:
yea
Step-by-step explanation:
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Answer:
C
Step-by-step explanation:
f(5) means we must plug in 5 wherever we see an x in the function.
<u>So f(5) = 27! The answer is C.</u>
