Answer:
-4
Step-by-step explanation:
-129 = 6(7 + 7x) - 3
Distribute the 6 into the parentheses.
-129 = 42 + 42x - 3
Add like terms.
-129 = 39 +42x
Subtract 39 from both sides.
-168 = 42x
Divide 42 from both sides.
-4 = x
Answer: 5
Slope is usually the number in front of x
Answer:
10,4
Step-by-step explanation:
width = w
length =l = w+4
area= l*w = (w+4) * w
Answer:
-2/12, -0.1, 1/9
Step-by-step explanation:
