2 years ago

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

Mathematics

2 answers:

oee [108]2 years ago

5 0

$-4x+7=11\\
-4x=4\\
x=-1$

Sonbull [250]2 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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