Answer:7x+3
Step-by-step explanation:
(9x-4)-(2x-7)
Open brackets
9x-4-2x+7
Collect like terms
9x-2x-4+7
7x+3
Answer:
7x-11
9 x - 4 − 2 x - 7
Next, group like terms:
9 x − 2 x − 4 − 7
Now, combine like terms:
( 9 − 2 ) x + ( − 4 − 7 )
7 x +( − 11 )
7 x − 11
