George has $3 in his saving account. He then adds $4 per day to the account. Let y represent the total amount in the account after x days. Express the equation in the form of y=mx + b

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y = 4x + 3

Step-by-step explanation:

since we know how much he adds daily, we can put it next to 4, since we don't know how long he is going to save money. next you just add 3 as a checkpoint

Y=4x+3

Step-by-step explanation:

4x represents the number of days he's added 4 and the 3 represents what he started off with.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2