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hoa [83]
3 years ago
7

-2(1+2x)=7-x 7th grade

Mathematics
2 answers:
Brut [27]3 years ago
5 0
-2(1+2x)=7-x
-2-4x=7-x
-2=7+3x
-9=3x
X=-3
Blababa [14]3 years ago
3 0
-2(1+2x)=7-x
-2(1)=-2 -2(2x)=-4x rewrite
-2-4x=7-x combine like terms add two to both sides 7+2=9; add x to both sides -4x+x=-3x rewrite -3x=9 divide -3 from both sides 9/-3=-3 rewrite
X=-3
Hope this helps have a nice day!
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