Respuesta :
Answer:
A) 8x - 4
B) 6x + 29
Step-by-Step Explanation:
A) -2x + 5 + 10x - 9
= 8x + 5 - 9
=> 8x - 4
B) 3(x + 7) + 2(-x + 4) + 5x
= 3x + 21 + 2(-x + 4) + 5x
= 3x + 21 - 2x + 8 + 5x
= 6x + 21 + 8
=> 6x + 29
A) 8x - 4
B) 6x + 29
Step-by-Step Explanation:
A) -2x + 5 + 10x - 9
= 8x + 5 - 9
=> 8x - 4
B) 3(x + 7) + 2(-x + 4) + 5x
= 3x + 21 + 2(-x + 4) + 5x
= 3x + 21 - 2x + 8 + 5x
= 6x + 21 + 8
=> 6x + 29