Subtract 7 from both sides
4x = -9 - 7
Simplify -9 - 7 to -16
4x = -16
Divide both sides by 4
x = -16/4
Simplify 16/4 to 4
<u>x = -4</u>
Answer:
Bhahawry76654
Step-by-step explanation:
Gree
Answer:
wk. 1 : 104, wk. 2 : 109, wk.3 : 218
Step-by-step explanation:
x = 1st week, y = 2nd week, z = 3rd week
x + y + z = 431
y = x + 5.........y - 5 = x
z = 2y
(y - 5) + y + 2y = 431
4y - 5 = 431
4y = 431 + 5
4y = 436
y = 436/4
y = 109 <==== week 2
z = 2y
z = 2(109)
z = 218 <==== week 3
x = y - 5
x = 109 - 5
x = 104 <==== week 1