Answer:
Step-by-step explanation:







Answers in order:
7 + 7b - 4 = -6
7b + 1 = -6
7b = -7
b = -1
Hope this helps!
Answer:
p=122 q=80 r=80
Step-by-step explanation:
Let <span>simplify the equations

and

:
</span>
<span>1)
</span>
<span>and
</span>
<span>2)

.
</span>
<span>Equate the coefficients:
</span><span>
</span><span>

.</span>
Then

and mnp=24.
<span />
Answer:
0.20p + 7 = 0.30p + 5
Step-by-step explanation:
- I
- took
- the
- test
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- UwU
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Answer:
6x^2 +x -12
Step-by-step explanation:
Substitute for A and B and collect terms.
2B +3A
= 2(3x^2 -x +3) +3(x -6) . . . . substitute for A and B
= 6x^2 -2x +6 +3x -18 . . . . . eliminate parentheses
= 6x^2 +x -12 . . . . . . . . . . . . collect terms