Question

Solve the following equation and check your answer.

a. 5x -2x +7 = x +1​

Answer 1

Answer:

5x-2x=3x

3x+7=x+1

transport x to left and 7 to right

2x=-6

x=-3

Step-by-step explanation:

5(-3)-2(-3)+7=-3+1

-15+6+7=-2

-2=-2

divide -2 on Both sides

so 1=1

hence the answer x=-3 is correct

Answer 2

Answer:

3

Step-by-step explanation:

5x-2x+7=x+1

3x+7=x+1

3x-x=7-1

2x=6

x=6/2

x=3