Question

b) 7y -8 – (5y – 3) = Conta completa

c) 4x – ( -3X + 9 – 2X) = Conta completa

d) 3x – (-2x + 5) – 8x + 9 = Conta completa

e) 4x – 3 + (2x + 1) = Conta Completa

Answer 1

B) 7y -8 – (5y – 3)
7y-8-5y+3
7y-5y-8+3
2y-5
c) 4x – ( -3X + 9 – 2X)
4x+3x-9+2x
4x+3x+2x-9
9x-9

d) 3x – (-2x + 5) – 8x + 9
3x+2x-5-8x+9
4-3x

e) 4x – 3 + (2x + 1)
4x+2x-3+1
6x-2