Answer:
x = 4
QS = 20
Step-by-step explanation:
PS is all the numbers added together.
PQ + QR + RS = PS
(PLUG IN)
8 + 3x - 1 + 9 = 28 (collect like terms)
3x + 16 = 28 (subtract 16 on both sides)
3x = 12 (divide by 3 on both sides)
QR + RS = QS
3(4) - 1 + 9 = QS (distribute)
12 - 1 + 9 = QS (collect like terms)
20 = QS
Hope this helps ya!!
13 is the answer ok I know but cheating in exam is bad
3÷ 8 ·z
3/8 ·z
3/8z
I think i'm just supposed to simplifiy it??
11x
They have the same variable so just add the two numbers
