Answer:
Explanation:
Terms with same variables are like terms
1) 10x + 3y + 5x
Here, 10x and 5x are like terms. so add them
10x + 5x + 3y = 15x +3y
2)2x + 7y +4x + 6x = 2x + 4x + 6x + 7y = 12x + 7y
3)9y+ 3y +5x = 12y +5x
4)2y +7y +4y +6y = 19y
5)8x + y - 2x = 8x -2x + y = 6x + y
6) x + 7y -4y +9x = x +9x + 7y - 4y = 10x + 3y
8) 5y +5y +5y +5x = 15y + 5x