Answer:
Step-by-step explanation:
For this exercise, you have to use the <em>Difference</em><em> </em><em>of</em><em> </em><em>Squares</em><em> </em>.
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Answer:
-11
8 = 2x + 30
8 - 30 = -22
-22 ÷ 2 = -11
x = -11
Also if you place 2×(-11) + 30 you get 8
Answer:
he had $90
he bought a phone for $75
90-75=15
he has $15 now
15÷0.06=1500÷6=250 minutes
Answer:
a) 8
b) 9
Step-by-step explanation:
4x= y or x : 1/4y
So when x=2, y=8 and when y=36, x=9
Answer:
28 ÷ 7
Step-by-step explanation:
An expression is an operation between two or more terms. 28 divided by 7 is another way of saying 28 ÷ 7.