cornpops4037
22.06.2020 •
Mathematics
Please solve each equation & check your solution. Thank You!
G) 1.2x + 3.3(2.4 - x) = 41
H) 3x/2 + 9/5 = 12
I) 5= 9/4 - r/3
J) 2(x - 2) = 12
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Ответ:
G). 1.2x + 7.92 -3.3x = 41
-2.1x=33.08
x = 33.08/-2.1
x = - 15.752
H). 3x/2 + 9/5 = 12
Multiply through by 10
15x + 18 =120
15x =120-18
15x = 102
x =102/15
x=34/5
I). 5 = 9/4 - r/3
Multiply through by 12
60= 27 - 4r
60 - 27 = -4r
33 = - 4r
r = -33/4
J). 2(x - 2) = 12
2x - 4 = 12
2x = 16
x = 16/2
x = 8
Ответ:
Mark me brainliest..
Step-by-step explanation: and imma put the answer in the comments if you do so. youve got nothing to lose! :D