Answer:
X=5
X=2
Step-by-step explanation:
x=2.9
3(3x+9)= -5-2x ( distribute)
9x+27= -5-2x (add 2x) (subtract 27)
11x= 32 ( divide by 11)
x= 2.9
12%
75-75*0.2=60
60+60*0.1=66
66/75=0.88=88%
b) 3 and 4
square root of 13 =3.605551275
the answer is -7 i think