Answer:
z = 7
Step-by-step explanation:
4z - 8 = 20
Add 8 to each side
4z - 8+8 = 20+8
4z = 28
Divide each side by 4
4z/4 = 28/4
z = 7
Answer:
Step-by-step explanation:
3 12
8
96 = 3x
x=32. the perimeter is 32
Answer:
-2x-6
Step-by-step explanation:
Look at the attachment
Factors of 18: 1, 2, 3, 6, 9, 18
So, it has 6 factors.
Both formulas equal to y, so they are equivalent to one another.
3x-5 = -3x+4
+5. +5
3x = -3x+9
+3x. +3x
6x = 9
/6. /6
x = 1.5
3(1.5)-5 = y
4.5-5
y = -0.5