3 years ago

How do i do this?? 9x-4=7-2x

2 answers:

8 0

9x-4=7-2x /+2x
11x-4=7 /+4
11x=11 /:11
x=1


ss7ja [257]3 years ago

4 0

$9x-4=7-2x\\ 9x+2x=7+4\\ 11x=11\\ x=\frac { 11 }{ 11 } \\ x=1$

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