Salina has an outstanding electricity bill of RM48.30 from the previous month. Her electricity bill for this month is RM45.15 and she pays RM150 for the bills of three months via online banking. How much money does Salina have to pay for the next month if the current charge of her electricity bill is RM46.80?

y=mx+b

step-by-step explanation:

m slope, b y-intercept

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

sorry i need the points

step-by-step explanation:

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