Answer:
15
Step-by-step explanation:
15 is 5 * 3 so is not prime.
The graph is y=x+4, to get the x-intercept we let y=0; and solve for x
thus we shall have:
0=x+4
subtract 4 from both sides
0-4=x+4-4
-4=x
hence the x-intercept will be at point (-4,0)
Answer:
Mistake: -3-5=-2, -3-5=-8
Step-by-step explanation:
-3-(7x+5)+9x=-8+3x+10
-3-7x-5+9x=4x+2
-8+2x=4x+2
-8-2=4x-2x
-10=2x
-10/2=x
-5=x
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➷ K - 2L = L - M
Subtract L from both sides:
K - 2L - L = -M
Add M to both sides:
K - 2L - L + M = 0
Add 2L to both sides:
K - L + M = 2L <== this is the answer
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