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4 votes
What is the answer to 5x+1=3x+7

User Lotor
by
5.3k points

2 Answers

7 votes
the answer is x = 3
What is the answer to 5x+1=3x+7-example-1
User Thomas Gratier
by
4.8k points
5 votes

Answer:

Explanation:

5

+

1

=

3

+

7

5x+1=3x+7

Solve

1

Subtract

1

1

from both sides of the equation

5

+

1

=

3

+

7

5x+1=3x+7

5

+

1

1

=

3

+

7

1

5x+1{\color{#c92786}{-1}}=3x+7{\color{#c92786}{-1}}

2

Simplify

Subtract the numbers

Subtract the numbers

5

=

3

+

6

5x=3x+6

3

Subtract

3

3x

from both sides of the equation

5

=

3

+

6

5x=3x+6

5

3

=

3

+

6

3

5x{\color{#c92786}{-3x}}=3x+6{\color{#c92786}{-3x}}

4

Simplify

Combine like terms

Combine like terms

2

=

6

2x=6

5

Divide both sides of the equation by the same term

2

=

6

2x=6

2

2

=

6

2

\frac{2x}{{\color{#c92786}{2}}}=\frac{6}{{\color{#c92786}{2}}}

6

Simplify

Cancel terms that are in both the numerator and denominator

Solution

=

3

User Rockingskier
by
5.0k points
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