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Geo777
02.10.2020 •
Mathematics
3(x+1)=-2(x-1) +6 solve for x
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Ответ:
x=1
Do 3 times x and three times one and get 3x+3
now on the right side multiply -2 by (x-1) and negative times negative is positive so you have -2x+-2x+6 = 3x+3
now subtract 2x on both sides and get
-2+6=x+3
now -2+6 =4 so 4 =x+3
now we do 4-3=1 so
x=1
Ответ:
x=1
Step-by-step explanation:
3(x+1)=-2(x-1)+6
remove the parentheses
3x+3=-2x+2+6
calculate
3x+3=-2x+8
move the terms
3x+2x=8-3
collect like terms calculate
5x=5
divide both sides
x=1
sorry if its wrong i tried my best
Ответ:
120 times
Step-by-step explanation:4/8 = x/240. 4/8 x 240/1 4/1 x 30/1 = 120/1 = 120.
Reduce 8 to 1 and 240 to 30.