Answer:x=150
Step-by-step explanation:
Step 1: Subtract 1.2x from both sides.
0.8x+20−1.2x=1.2x−40−1.2x
−0.4x+20=−40
Step 2: Subtract 20 from both sides.
−0.4x+20−20=−40−20
−0.4x=−60
Step 3: Divide both sides by -0.4.
−0.4x
−0.4
=
−60
−0.4
Answer:
16/15
Step-by-step explanation:
The two minus signs cancel, so the result is positive.
Answer:a=1/5
B=2/15
Step-by-step explanation:
Answer:
y = 2/3x+3
Step-by-step explanation:
The cost of the roof is $240