Answer:
x=-3
Step-by-step explanation:
2x+7=4+x
2x-x+7=4
x+7=4
x=4-7
x=-3
Answer:
60m²
Step-by-step explanation:
24 = 2/5
12 = 1/5
12 × 5 = 60
60 = 5/5
Step-by-step explanation:
(i). a+(b+c) = (a+b)+c
-35+(10-5) = (-35+10)+(-5)
-35+5 = -25-5
-30 = -30
(ii). a×(b+c) = a×b + a×c
-35 × [10+(-5)] = -35×10 + -35×-5
-35 × (10-5) = -350 + 175
-35 × 5 = -350 + 175
-175 = -175
I might not understand this correctly because of the misspellings, but if you draw a right angle. There is only 1 right angle... in a right angle.
