In order to solve the equation, what must you do?

Mathematics

2 answers:

krek1111 [17]3 years ago

4 0

Answer:

You must divide by 3.

Step-by-step explanation:

3x / 3 = x

9 / 3 = 3

Hence x = 3

Drupady [299]3 years ago

4 0

Answer:

divide by 3 on both sides of the equation

Step-by-step explanation:

3x = 9

The variable x is being multiplied by 3. You want x alone, so you must use the opposite operation of multiplication to undo the multiplication by 3. The opposite of multiplication is is division. Since x is being multiplied by 3, you must divide by 3. The rule of equations is that you must do the same operation to both sides of the equation, so you must divide both sides of the equation by 3.

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Malachy, Sushil and Fiona share some sweets in the ratio 7:1:1. Malachy gets 90 more sweets than Fiona. How many sweets does Sus

VashaNatasha [74]

Answer:

Step-by-step explanation:

Fiona (F) = Sushi (S)

Malachy (M) = 7 Fiona (F)

M = F + 90

F + 90 = 7F

6F = 90

F (Fiona) = 15

S (Sushi) = 15