She needs to wash 7 cars.
Answer:
0 = 6
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
3(m−1)=5m+3−2m
(3)(m)+(3)(−1)=5m+3+−2m (Distribute)
3m+−3=5m+3+−2m
3m−3=(5m+−2m)+(3) (Combine Like Terms)
3m−3=3m+3
3m−3=3m+3
Step 2: Subtract 3m from both sides.
3m−3−3m=3m+3−3m
−3=3
Step 3: Add 3 to both sides.
−3+3=3+3
0=6
Step-by-step explanation:
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Step-by-step explanation:
Y = 10x + 20
x = number of cars washed for charity
y = amount earned for the charity
slope = 10
This means that :
<span>
For every car washed for charity, the amount earned for the charity increases by $10. </span>