Step-by-step explanation:
2x-3<9
2x<9+3
2x<12
2x/2<12/2
x<6
Answer:
Step-by-step explanation:
x = 32
x - 10 = 22
add 10 to both sides of the equation
-10 + 10 = 0
22+ 10 = 32
x = 32
Answer:
n=-19
Step-by-step explanation:
-9+n/4=-7
Multiply 4 on both sides
-9+n=-28
Add 9 on both sides
n=-19
Answer:
A) 128
B) 7800
Step-by-step explanation:
Trial and error until I got to 75 x 104 and 60 x 128 (which abides by the fact that there has to be 24 more red boxes) which equals 7800 and 7680 and if you take them away from each other you get 120
