Question

Graph the equation (geometrical representation) of

3x+4 +7x-1+8=31 on

i) Number line (one variable)

ii) Cartesian Plane (two variable)​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

$3x + 4 + 7x + 8 = 31-1 \\ 3x + 7x + 8 = 32 - 4 \\ 3x + 7x = 28 - 8 \\ 10x = 20 \\ x = \frac{20}{10 } \\ x = \frac{2}{1} \\ x = 2$

i think this answer is correct