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Sauron [17]
3 years ago
10

What's the answer to 7x + 5 = ( 4x + 3 )​

Mathematics
2 answers:
Usimov [2.4K]3 years ago
8 0

Answer:

x=-2/3

Step-by-step explanation:

7x+5=4x+3\\3x+5=3\\3x=-2\\x=\frac{-2}{3}

stepladder [879]3 years ago
4 0

Answer:

Step-by-step explanation:

7x + 5 = (4x + 3)

remove parentheses, they aren't needed here:

7x + 5 = 4x + 3

group them (subtract 5 and 4x from each side):

7x - 4x = 3 - 5

simplify:

3x = -2

divide both sides by 3:

x = -2/3

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strojnjashka [21]

Answer:

B)Oy+ 3 = 4(x - 1)

Equation of the straight line   y +3 = 4( x-1)

Step-by-step explanation:

<u><em>Explanation:-</em></u>

<u><em>Step(i):-</em></u>

Given that the equation   y = 4x +2

and given that the point (1,-3)

The equation of the parallel line to the given line

                       ax +by +k=0

                       4x-y +k=0

This line is passing through the point (1,-3)

                  ⇒ 4(1) -(-3) +k=0

                  ⇒   4+3 +k=0

                          7 +k=0

                             k =-7

The equation of the Parallel line  4x-y -7 = 0

<u><em>Step(ii):-</em></u>

Given that the slope m = 4 and the point (1,-3)

Equation of the straight line

             y - y₁ = m(x-x₁)

             y -(-3) = 4( x-1)

            y +3 = 4( x-1)

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Ilia_Sergeevich [38]

Answer:

t = 1/2 ÷ 1/4

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Step-by-step explanation:

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This accounts for 1/4 of the total time thei spend at mount rushmore.

1/2 = 1/4t

Where t = total time they spent at mount rushmore (hours)

1/2 = 1/4t

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