plz answer in easy step by step

Order of Operations Name: Score: Use the PEMDAS/BODMAS rules! DO / W - = (3 + 1) x 7 + al - NI- x ( 2 - 9 ) = 2 - -+ N/ - = 4 x + + 7 ) = ( - 5 ) + 1) X = = 5 x (7 - 1 ) = alt - !) = 1 + (1 + (3 x - ) ) = a - ' 1 = 1 - (+2 x 1) = 3 - ( + 1 + ; ) =