Question

find the following equation 2x+4=2x​

Answer 1

Answer:

2

+

4

=

2

2x+4=2x

2x+4=2x

2

+

4

−

4

=

2

−

4

Answer 2

Answer:

2

+

4

=

2

2x+4=2x

2x+4=2x

Solve

1

Subtract

4

4

4

from both sides of the equation

2

+

4

=

2

2x+4=2x

2x+4=2x

2

+

4

−

4

=

2

−

4

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

2x+4−4=2x−4

2

Simplify

Subtract the numbers

2

=

2

−

4

2x=2x-4

2x=2x−4

3

Subtract

2

2x

2x

from both sides of the equation

2

=

2

−

4

2x=2x-4

2x=2x−4

2

−

2

=

2

−

4

−

2

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

2x−2x=2x−4−2x

4

Simplify

Combine like terms

Combine like terms

0

=

−

4

0=-4

0=−4

Result

0

=

−

4

0=-4

0=−4

The input is a contradiction: it has no solutions