Well, they're both divisible by 2 (24 ÷ 2 = 12) (90 ÷ 2 = 45)
Answer:
5
Step-by-step explanation:
move the terms
collect like terms
calculate
divide both side
Let point A be
and point B 

Use the point-slope formula and whichever point you want as , in this case I'll use

Answer is -10
Work: -(5+5)
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