Answer:
10
Step-by-step explanation:
AC = CB
6a - 8 = 4a - 2
a = 3
6(3) - 8 = 10
AC = 10
Answer:
the answer is C - 11/3
Step-by-step explanation:
solve this by multiplying the whole number (in this case 3) by the denominator (in this case 3) and adding the product to the numerator (in this case 2)
3*3=9+2=11 so the answer is 11/3
3x² <span>+ 20x - 7 =
</span>3x² + 21x - x - 7 =
3x(x+7) - (x+7) =
(3x-1)(x+7)
3x-1 = 0 or x+7 = 0
x = -1/3 x=-7
Answer: -7, -1/3.