Answer:
7x+5=3x-15 x=-5
Step-by-step explanation:
Subtract from both sides
7x+5-5=3x-15-5
{Simplify}
7x=3x-20
{Subtract}{3x from both sides}
7x-3x=3x-20-3x
4x=-20
Divide both sides by 4
4x over 4= -20 over 4
x=-5
7x +5 = 3x -15
4x = -20
x = -5
21
y+9 = ?
y=12
12+9=21
1. 9
2. 9
3. 101
hope it helps:)
I'm sorry but if your struggling with this iďk what to tell you chief