Question

Simplify
1. 7x + 11x
2. 3x-2y+4z-2x-3y+5z+6x+2y-3x

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Answer 1

1. 18x
2. 4x - 3y + 9z

Explanation:

1) 7x + 11x = 18x

2) 3x - 2y + 4z - 2x - 3y + 5z + 6x + 2y - 3x

= 3x - 2x + 6x - 3x - 2y - 3y + 2y + 4z + 5z

= 4x - 3y + 9z

Answer 2

1)18x

2)4x-3y+9z

i hope this helps

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Explanation: