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olga_2 [115]
3 years ago
11

-4x+7=11 I need some to explain

Mathematics
2 answers:
oee [108]3 years ago
5 0
-4x+7=11\\
-4x=4\\
x=-1
Sonbull [250]3 years ago
4 0
-4x+7=11\ \ \ \ \ \ \ \ \ \ |x's\ on\ the\ left\ free\ numbers\ on\ the\ right\\-4x=11-7\\-4x=4\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |:(-4)\ both\ sides\\x=-1
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