Solve each equation by the trial and error method :
A) 9 × - 2 = 70
B) 4y -6=7y-48
Answers
Answered by
0
Step-by-step explanation:
A)
9x-2=70
9x=70+2
9x=72
x=72/9
x= 8
B)
4y-6=7y-48
4y-7y= -48+6
-3y= -42
y= -42/-3
y= 14
Answered by
2
Step-by-step explanation:
9x-2=70
9x=70+2
9x=72
72
x= ----
9
x=8
4y-6=7y-48
4y-7y=-48+6
-3y=-42
-42
y= -------
-3
y= 14
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