Set the equal to each other
2x-4=4x-10
6=2x
x=3
y=2(3)-4
=6-4
y =2
4n+7−(7n−8)
=4n+7+−1(7n−8)
=4n+7+−1(7n)+(−1)(−8)
=4n+7+−7n+8
Combine Like Terms
=4n+7+−7n+8
=(4n+−7n)+(7+8)
=−3n+15
Answer:
Horizontal line
Step-by-step explanation:
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Answer:
Step-by-step explanation:
the solution is x+2y - 3z =15. 2x – 2z=6 x = 3. 2/3)-22=6.
Then a is Half of 45 wich is 22.5 I believe.
