It helps to imagine the variable a sort of as a unit. Like with 5 minus 12 lemons, it has no bearings on the addition/subtraction here.
Factor out a and subtract.
Answer:
t=20n
Step-by-step explanation:
The answer would be t=20n or something similar because 20n stands for $20 per lawn, which equals t, the total.
It can be made through straight line or curved lines.
Answer:
f(-7) = 24
Step-by-step explanation:
Step 1: Identify the Function
f(x) = 17 - x is the function
Step 2: Set x to -7 in the function
f(-7) = 17 - (-7)
f(-7) = 17 + 7
f(-7) = 24
Answer: f(-7) = 24
Multiply the bracket by 1/2
1/2(2n +6)
cross out 2 and 2n and divide by 2.
cross out 6 and 2 and divide by 2
n+3
Answer is n+3