Solve the equations by elimination.
-7x-8y=9
-4x+9y=-22
1 answer:
Solve for x in -7x - 8y = 9
x = -9 + 8y/7
Substitute x = -9 + 8y/7 into -4x + 9y = -22
4(9 + 8y)/7 + 9y = -22
Solve for y in 4(9 + 8y)/7 + 9y = -22
y = -2
Substitute y = -2 into x = -9 + 8y/7
x = 1
Thus,
<u>x = 1</u>
<u>y = -2</u>
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Gcd(3,2)=1 Hope this helps!!
(The answer is 1)
I think is 1863 m because if you use the formula for area
Steps to solve:
8j - k + 14; j = 0.25 and k = 1
~Substitute
8(0.25) - (1) + 14
~Simplify
2 - 1 + 14
~Subtract
1 + 14
~Add
15
Best of Luck!
Answer:
I believe its 1.5
Step-by-step explanation:
Hope it helps srry if im wrong.
X - 3 < 5
Add 3 to both sides.
x < 8
Open circle on 8. Shade to the left.
Answer: The first option.
