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liberstina [14]
3 years ago
9

The solution of the equation 7x+2=23 is ?

Mathematics
2 answers:
faltersainse [42]3 years ago
4 0
7×+2=23
-2 -2
7x=21
x=3
ikadub [295]3 years ago
3 0
7x+2=23
Move 2 to the other side
7x=23-2
7x=21 

To isolate the x divide both sides by 7
x=3 

To check plug the value of x back in 

7(3)+2=23
21+2=23
23=23
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