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Serggg [28]
3 years ago
8

Solve the equation 2x+1=x-3​

Mathematics
1 answer:
Agata [3.3K]3 years ago
5 0

How to solve your problem

Topics: Algebra, Quadratic Equation

2

+

1

=

−

3

2x+1=x-3

2x+1=x−3

Solve

1

Subtract

1

1

1

from both sides of the equation

2

+

1

=

−

3

2x+1=x-3

2x+1=x−3

2

+

1

−

1

=

−

3

−

1

2x+1{\color{#c92786}{-1}}=x-3{\color{#c92786}{-1}}

2x+1−1=x−3−1

2

Simplify

Subtract the numbers

Subtract the numbers

2

=

−

4

2x=x-4

2x=x−4

3

Subtract

x

x

from both sides of the equation

2

=

−

4

2x=x-4

2x=x−4

2

−

=

−

4

−

2x{\color{#c92786}{-x}}=x-4{\color{#c92786}{-x}}

2x−x=x−4−x

4

Simplify

Combine like terms

Multiply by 1

Combine like terms

=

−

4

x=-4

x=−4

Solution

=

−

4

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blagie [28]

We will check each options and verify it

(a)

18-2m

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18-4

14

so, this is FALSE

(b)

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we can plug x=3

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(c)

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so, this is FALSE

(d)

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now, we can plug x=2

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8-6+1

3

So, this is FALSE

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The answer is 4x-6. Good luck! :D 
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8 0
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2% x 50 = 100%
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