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CaptainPM
@CaptainPM
January 2021
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Salut Le 24 svp merci à vs
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maudmarine
Verified answer
A) 3(x+7) = 4
a)3x+21=4
a)3x=4-21
a)3x=-17
a)x=-17/3
B) 2(2-y) = -6
b)4-2y=-6
b)-2y=-6-4
b)-2y=-10
b)y=-10/-2 10/2
b)y=5
C) -3+ a = 7(2a-1)
c)-3+a=14a-7
c)-3+7=4a-a
c)4=3a
c)4/3=a
D) -3(2t+1) = -3(t-2)
d)-6t-3=-3t+6
d)-6t+3t=6+3
d)-3t=9
d)t=9/-3
d)t=-3
bonne chance :)
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Verified answer
A) 3(x+7) = 4a)3x+21=4
a)3x=4-21
a)3x=-17
a)x=-17/3
B) 2(2-y) = -6
b)4-2y=-6
b)-2y=-6-4
b)-2y=-10
b)y=-10/-2 10/2
b)y=5
C) -3+ a = 7(2a-1)
c)-3+a=14a-7
c)-3+7=4a-a
c)4=3a
c)4/3=a
D) -3(2t+1) = -3(t-2)
d)-6t-3=-3t+6
d)-6t+3t=6+3
d)-3t=9
d)t=9/-3
d)t=-3
bonne chance :)