If a-b=2 and b=2 find the value of a×b
2 answers:
First substitute 2 in for b to get a - (2) = 2.
Now isolate <em>a</em> by adding 2 to both sides to get <em>a = 4</em>.
Since <em>a = 4</em>, substitute 4 in for <em>a</em> and 2 in for <em>b</em> to get 4 × 2.
Multiplying, 4 × 2 gives us a product of 8.
So the value of a × b is 8.
Answer:
a*b = 8
Step-by-step explanation:
a-b =2
Let b= 2
a-2 =2
Add 2 to each side
a-2+2 =2+2
a =4
We want to find a*b
4*2 = 8
a*b = 8
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