3 years ago

Consider the equation 3x + 1 = 2x + 5

Mathematics

1 answer:

fomenos3 years ago

3 0

You can’t technically solve it because there’s no question

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Find 4ab when (a+b)=15 and (a-b)=12

Volgvan

A + b = 15 ..... eq 1
a – b = 12 ...... eq 2

So a = 15 – b
Substitute in eq 2 :

15 – b – b = 12
15 – 2b = 12
–2b = 12 – 15
b = 1.5

So a = 15 – 3/2 = 13.5

4ab = 4 x 13.5 x 1.5 = 81

4 0

3 years ago

Read 2 more answers

Alex wrote the equation c=2n. Describe a situation that this equation could represent.

nevsk [136]

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2 years ago

-7(-13+19) distributive property

Vanyuwa [196]

Answer:

-42

Step-by-step explanation:

i put two documents for you. check them out and try to solve some math problems like this. hope it helps!:)