solve the following : 1. 30 - 15 (4x - 2y ) 2. 4.5 + 2.5 ( 3.5 + 8.5 )
Answers
Answered by
7
Step-by-step explanation:
1) 30-15(4x-2y)
=30-60x+30y
= 30(1-2x+y) [ans]
2) 4.5+2.5(3.5+8.5)
=4.5+ 2.5 × 12
=4.5+30.0
=34.5 (ans)
Answered by
1
Answer:
30-15=15 and 4x-2y we are unable to solve this because here variables is not same so multiply the first ans 15 with 14x&-2y thn u will get the ans.
Correct Ans is 60x-30y
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