evaluate 2a^(2)b-7a when a=-18 p=2
x+7-4=6
64x-48=8x+8
4+8(15-11)+4×11
-2, 1, 9, 8, 18, 35,
–0.41(w − 5) + 4 = 5.23
3x^(2)-2x+4 when x=3
−3 × √−1
3
+ 49 ÷ (√49)
27, 96×31, 92 − 7, 176
solve the simultaneous equation below using elimination
6y-7x=50
6y+5x=34