2 years ago

Solve the equation 45 = 3(x + 1)

Mathematics

2 answers:

vovangra [49]2 years ago

7 0

Answer:

x = 14

Step-by-step explanation:

45 = 3(x + 1)

Distribute

45 = 3x + 3

-3 -3

----------------

42 = 3x

---- ----

3 3

14 = x

mamaluj [8]2 years ago

4 0

Answer:

x = 14

Step-by-step explanation:

45 = 3(x + 1)

Distribute the 3

3(x) = 3x

3(1) = 3

We now have 45 = 3x + 3

Subtract 3 from both sides

45 - 3 = 42

3 - 3 cancels out

We now have 42 = 3x

Divide both sides by 3

42/3 = 14

3x / 3 = x

We're left with x = 14

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