Answer:
x = 5
Step-by-step explanation:
39° + 90° + (7x + 16)° = 180°
39 + 90 = 129
180 - 129 = 51
7x + 16 = 51
7x + 16 - 16 = 51 - 16
7x = 35
7x/7 = 35/7
x = 5
Answer:
Kristen will have $1159.27 after 5 years
Step-by-step explanation:
trust in ya boy
Answer:
x=0
y=4
Step-by-step explanation:
x=8-2y
3y=-x+12
first make it
ax ( + or - ) by = c
x+2y=8
x+3y=12
now subtract the equations
x+2y=8
- (x+3y=12)
-----------------
-1y=-4
y=4
x+2(4)=8
x+8=8
x=0
It is 3 pounds hope it helps