12/4 is 3, and you can check this because 3 x 4 is 12.
Answer:
x=-8,8
Step-by-step explanation:
missing either x+8=0
x=-8
Answer: see below
<u>Step-by-step explanation:</u>
x + 2:
a number x plus 2
the sum of a number x and 2
x - 2:
a number x minus 2
the difference of a number x and 2
2x:
two times a number x
twice a number x
x ÷ 2:
a number x divided by 2
the quotient of a number x and 2
Because K is the midpoint of JL and JK = 18, KL must also equal 18. So the equation would be 3x - 15 = 36 because you add 18 + 18. You then add 15 to both sides to get 3x = 51. Then you divide by 3 on both sides to get x = 17.
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