Question

Was this done correctly??

-4x+3(1*12)≥40+2*8
-4x+3*36≥40+2*8
-4x+108≥40+2*8
-4x+108≥40+2*8
-4x+108≥40+16
-4x+108≥56
-4x+108-108≥56-108
-4x≥-52
-4x/-4≥-52/-4
x≥13

Answer 1

Will medal

Answer 2

nope

Answer 3

line1 to line2, the second term of the left hand side: why 3(1*12) becomes 3*36?

Answer 4

because 3*1 is 3 and 3*12 is 36..distributive property right?

Answer 5

nope, if it is 3(1+12) then it is 3*1 +3*12 , but it is 3(1* 12) and `1*12 =12 only , hence 3(1*12) =3*12 = 36, not 3*36

Answer 6

oh okay rhx

Answer 7

yw