Subtract the following algebraic expression 21a + 3b - 13 from 12b +15 + 10a
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Answered by
1
Answer:
12b +15+10a-(21a+3b-13)
12b+15+10a-21a-3b+13
12b-3b+15+13+10a-21a
9b 28 -11a
Answered by
0
Answer:
first method:
12b+15+10a
- -3b-13-21a
=15b+2-11a
second method:
12b+15+10a-(21a+3b-13)
=15b+2-11a
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