Solving linear equations

Question 1

What do you mean by solving a linear equation such as

2x + 3 = 7

Answer 1

Find the value of x such that the left hand side and the right hand side of the equation is the same

Left hand side 2 * 2 + 3 = 7

Right hand side = 7

So x = 2 is the solution

Question 2

Solve

x + 3 = 7

Answer 2

x = 7 - 3

= 4

Question 3

Solve

x - 3 = 7

Answer 3

x = 7 + 3

= 10

Question 4

Solve

2x + 3 = 7

Answer 4

2x = 7 - 3

2x = 4

x = 4/2

= 2

Question 5

Solve

2x - 3 = 7

Answer 5

2x = 7 + 3

2x = 10

x = 10/2

= 5

Question 6

Solve

2x - 3 = 7 + x

Answer 6

2x - x = 7 + 3

x = 10

Question 7

Solve

2x + 3 = 7 + x

Answer 7

2x - x = 7 - 3

x = 4

Question 8

Solve

2(x + 3) = 8

Answer 8

x + 3 = 8/2 or 2x + 6 = 8

x + 3 = 4 2x = 8 - 6

x = 4 - 3 2x = 2

= 1 x = 2/2

= 1