Решите уравнение : x + 37 = 81 ,150 - x = 98, ( 34 + x ) - 83 = 42 , 45 - (x - 16 ) = 28 , 4x = 72, 2x − 20 = 10,4x - 9 = 2x + 7 , 144 - ( х : 11 + 21 ) * 2 = 14 50 баллов даю)))

х+37=81 х=81-37 х=44 150-х=98 -х=98-150 х= -98-150 х= -248 45 - (x - 16 ) = 28 45-(х-16) = -(х-61) -(х-61) = 4*7 61-х = 28 -х = -33 х =33 4x = 72 х = 72/4 х=18 2x − 20 = 10 2х-20= 2*(х-10) 2*(х-10) = 2*5 2х=30 х= 30/2 х= 15 4x - 9 = 2x + 7 2х=16 х=16/2 х=8 144 - ( х/11 + 21 ) 144 - (х/11 +21)= (х-1353)/11 123-х/11=0 -х/11=-123

1. x+37=81 x=81-37 x=44 2.150-x=98 x=150-98 x=52 3.(34+x)-83=42 x=84+42-34 x=116 4.45-(x-16)=28 x=45-28+16 x=43 5.4x=72 x=72:4 x=18 6.2x-20=10 (20+10): 2 x=15 7.Не смог решить... 8.144-(x:11+21) x 2 = 14 x=(144-14:2-21) x 11 x=1276