Answer:
a) 15
Step-by-step explanation:
x+8
substitute x value in
7+8
=15
<span>5x+10 = y
Subtract 10 from both sides.
5x = y - 10
Divide both sides by 5.
x = 1/5y - 2
Plugin 1/5y - 2 for the y.
5(1/5y - 2)
1 - 10 + 10 = y
1 = y
<span>
</span><span>Your Answer(s)
</span><span>y = 1
</span></span>x = 1/5y - 2
<span>
</span>
Answer:
no
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
Changing LHS as
Comparing LHS and RHS