Subtract the second from the first
(a) 3a+b,a+b
(b)4a+b,-2à+3b
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Answer:
a)2a
b)2( a - b )
Step-by-step explanation:
a)3a + b - (a + b)
=3a + b - a - b
=3a - a + b - b
= 2a
b)4a + b -(2a + 3b )
= 4a + b - 2a - 3b
= 4a - 2a + b - 3b
= 2a - 2b
= 2(a - b)
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