Answer:
the first one
Step-by-step explanation:
Not to sure if it's right but hope it helps u ;)
C
the second and last one
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14y=mxc I'm I right kwkbs
x=12
-5= x/2.4
multiply both sides by 2.4 to isolate x
-5*2.4= (x/2.4)*2.4
12=x
