<span>4x+7y=51
Plug in </span><span>y=5::
4x+7(5)=51
Simplify:
4x+35=51
</span>
<span>4x+35-35=51-35
4x=16 (÷4)
x=4
Done :)
</span>
<span>
I hope that
helps!
</span>
Step-by-step explanation:
A=D+qm
qm = A - D
q =(A-D) /m
Answer:
(m+10)(m-9)
Step-by-step explanation:
To factor this equation we want to find two numbers that multiply to -90 but also add/subtract to 1.
Those two numbers are 10 and -9 (10×-9=-90, 10-9=1)
Answer:
Select 1, 4 and 5
The slope is -1/10
The x intercept is 100
The y intercept shows the initial amount on the card in dollars
