2 years ago

2X+5+2x+3x= No solution

Mathematics

1 answer:

eimsori [14]2 years ago

8 0

Answer:

12 x is the answer. please thanks and follow me.

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1/4 times the sum of a number and −3.2 is 1.8. What is the number?

joja [24]

Answer:

10.4

Step-by-step explanation:

Let the number be x

Sum of x and -3.2 : x + (-3.2) = x - 3.2

1/4 times the sum of a number and −3.2 = (1/4) * (x - 3.2)

$\dfrac{1}{4}* \left( x - 3.2 \right) = 1.8\\\\\Multiply \ the \ whole \ equation \ by \ 4 \\\\4*\dfrac{1}{4} *(x - 3.2) = 1.8*4\\\\\\x - 3.2 = 7.2\\\\Add \ 3.2 \ to \ both \ sides\\\\\\x = 7.2 + 3.2\\$

x = 10.4

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3cm : 31.5 km

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1cm : 10.5km

So the scale on the map is 1cm represents 10.5 km.

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Liono4ka [1.6K]

Answer: One solution.

Step-by-step explanation:

2(2x-3)+5x=4x+8x

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