value of the expression 3x+2-(4x+5) what is the value of the expression if x=2?

use the following expression for questions 7 and 8:  3x+2-(4x+5)

7. what is the value of the expression if x=2?

8. what is the value of the expression if x=-2?
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1 Answer

y=3x +2 -(4x+5)=3x -4x +2-5

=-x -3

at x=2, y=-5
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