In the following activity, match each pair of equivalent expressions. 1 . (7 - 2x) + (3x - 11) 2(x - 2) 2 . -3x + 6 + 4x (x + 14) - (8 - 2x) 3 . -2x + 9 + 5x + 6 3(x + 5) 4 . 9x - 2(3x - 3) -4(x + 1) + 5x 5 . -7 + 6x - 4x + 3 (7 + 5x) + (-4x - 1)

4 puzzles in 3 hours

step-by-step explanation:

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

5+2x=a

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