Answer:
B.)
Explanation:
In step #1 they did the distributive property
2/5 × 15x = 6x
2/5 × -30y = -12y
The new equation would be:
6x - 12y + 10x
Further Explanation
They then combined 6x + 10x to get 16x
16x - 12y
They then factored it out to 4(4x - 3y)