The differece of twice
a number and five is
three. Find the number
2 answers:
Answer:
Step-by-step explanation:
LEt the number be x.
2x - 5 = 3
2x = 3 + 5 = 8
x = 8/2 = 4
To solve the equation: add 5 to both sides and then multiply by 1/2.
let x represent the unknown number
2x-5=3
(add 5 to both sides)
2x=8
(divide by 2 on both sides)
x=4
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Answer:
x+
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Step-by-step explanation:
the intersection of x-2y=0 and 3x+y+5 is (
;
)
=> the line : x+y+5=0
Answer:
×=-2
0=×-2
×=-2
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Answer:
Step-by-step explanation:
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12.
It is easy all you have to do is 15-3 because 1+2=3
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