Answer:
x = 20
Step-by-step explanation:
x + 29 = 49
- 29 - 29
x=20
I don't know it's so difficult
Answer:
<h2>II </h2>
Step-by-step explanation:
That's my answer hope it is correct
Today: x=19
y=67+19=86
9 years ago: x=19-9=10
y=86-9=77
The total age 9 years ago: x+y=10+77=87
Answer:
see below
Step-by-step explanation:
(3x+1)/2<−x+4
Multiply each side by 2 using the multiplication property of equality
3x+1 < -2x +8
Subtract 1 from each side using the subtraction property of equality
3x < -2x+7
Add 2x to each side using the addition property of equality
5x < 7
Divide each side by 5 using the division property of equality
x < 7/5