Answer:
0
Step-by-step explanation:
Sum means addition so:
-9 + 18/2
(18/2 = 9)
-9 + 9
0
Answer:
x = -2
Step-by-step explanation:
Given :

=============================================================
Cross multiplying the terms :
⇒ 8 (x + 4) = -16 (x + 1)
⇒ 8x + 32 = -16x - 16
⇒ 24x = -48
⇒ x = -2
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Answer:
11 1/9%
Step-by-step explanation:
1/9 × 100% = (100/9)% = (11 1/9)%
all the angle should add up to 540 degrees
91 + 95 + 120 + 150 = 456
540 - 456 = 84
x = 84 degrees