Answer:
Step-by-step explanation:
7.86 = 3x - 1.11
3x = 6.75
x = 2.25
Answer:
x^3=6
Step-by-step explanation:
x(x+2)+6(x+2)=60
x^2+2x +6x +12=60
Answer:
7=x
Step-by-step explanation:
.5(6x-4)=4x-9
3x-2=4x-9
subtract 3x to each side
-2=x-9
add 9 to each side
7=x