Question

Solve the following equation : 3a = 2a+18

Answer 1

Answer:

3

=

2

+

1

8

3a=2a+18

3a=2a+18

Solve

1

Subtract

2

2a

2a

from both sides of the equation

3

=

2

+

1

8

3a=2a+18

3a=2a+18

3

−

2

=

2

+

1

8

−

2

3a{\color{#c92786}{-2a}}=2a+18{\color{#c92786}{-2a}}

3a−2a=2a+18−2a

2

Simplify

Combine like terms

Multiply by 1

Combine like terms

=

1

8

a=18

a=18

Solution

=18