9 times x minus 15 plus x = 15
2 and 1/2 x 1 and 2/3
12 times x minus 14 plus 2 = 84
54484+58
Work out the missing values in this estimation.
6.42 x 0.72 ~
18x-1260=226.8
X
16/44 ÷ 81/11
what is the time
y=4x+14
y=x²+9x+20