Question

Solve y-4 + 3y = 4

3​

Answer 1

y - 4 + 3y = 4

4y - 4 = 4

4y = 4 + 4

4y = 8

y = 8 / 4

y = 2

Answer 2

Answer:

y-4+3y= 43

Transpose -4 to RHS

y+3y=43+ 4

y+3y=47

Transpose 3 to RHS

y²=47÷3

y²=15.66 or 15 2/3

y= 15.66/2

y= 7.88