Question

Simplified form of expression 7 - 2(a + 3b) + 4(b - 2a) is: *


7 - 10a +2b

7 + 10a + 2b

7 - 10a - 2b

2b +10a - 7

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Answer 1

Answer:

option C ) 7 - 10a - 2b

step by step explanation :

$7 - 2(a + 3b) + 4(b - 2a) \\ \\ = > 7 - 2a - 6b + 4b - 8a \\ \\ = > 7 - 2a - 8a - 6b + 4b \\ \\ { \boxed {\bold {answer = > 7 - 10a - 2b }}} \\ \\ \mathsf{option \: c \: is \: right \: answer}$

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