Question

Solve by balancing mathod
i) 3x + 4 =13
ii) x/ 3+4 = x/4 +8

​

Answer 1

Answer:

Subtract 4from both sides of the equation

3+4=13

3+4−4=13−4

Simplify

Subtract the numbers

3=9

Divide both sides of the equation by the same term3=9

3=9

3 3

Cancel terms that are in both the numerator and denominator

Divide the numbers

=3

Solution

=3

Subtract 4 from both sides of the equation

+4=+8

3 4

+4=4+8−4

3 4

Subtract the numbers

Subtract the numbers

=+4

3 4

Multiply all terms by the same value to eliminate fraction denominators

=+4

3 4

2⋅2⋅3⋅x=2⋅2⋅3(+4)

3. 4

Cancel multiplied terms that are in the denominator

Multiply the numbers

Multiply the numbers

Distribute

Combine multiplied terms into a single fraction

Cancel terms that are in both the numerator and denominator

4=3+48

Combine like terms

Multiply by 1

Combine like terms

=48