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Tems11 [23]
3 years ago
12

The sum of eight times a number and fifteen is seven.Find the number. How do I work this out like these?

Mathematics
1 answer:
CaHeK987 [17]3 years ago
5 0
(8x n) + 15=7 : 7-15= (-8), (-8)divided by 8= (-1) : n=(-1) : When you have problems like this it helps to work them backwards. Hope you understand this.
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3 years ago
Solve for x in the equation x2 -8x+41=0.<br> X=-4+ 37i<br> X = -4 - 5i<br> X = 4+ 37i
Digiron [165]

Answer:

not sure if this is a right answer. but hope this helps

Step-by-step explanation:

5 0
3 years ago
15. -2 (a - 4) = 13​
iogann1982 [59]

Answer:

a=-22

Step-by-step explanation:

Multiply both sides of the negative equation by (-2) to get the equation:

a-4=13(-2)

then simplify to get:

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then isolate the variable by addig 4 to both sides of the equation to get:

a=-26+4

simplify to get:

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8 0
3 years ago
Read 2 more answers
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