These videos might help you
https://www.khanacademy.org/math/algebra/systems-of-linear-equations/systems-of-linear-equations-wor...
The same would be the right one
Answer:
7x + 6 = 6x - 3
Step-by-step explanation:
2(x+3) + 5x = 3(2x-1)
Distribute
2x + 6 + 5x = 6x - 3
Combine like terms
7x + 6 = 6x - 3
hope this helps