Answer:
-45
Step-by-step explanation:
Start by subtracting 100-55 (The reason you subtract is because a positive plus a negative can also be subtracting)
Next Add that answer (45) to -90
Finally you get -45
-14
:
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3
Take 2 as a common then divide by 2
6÷2 =3
x + 2x + 6 = 27
3x + 6 = 27
x + 2 = 9
x = 9 - 2
x = 7
2 × 7 = 14
14 + 6 = 20
