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Solve 4x + 4 = 9

How to solve 4x + 4 = 9? Get the answer and stepwise instruction to solve linear equation in one one variable 𝒙.

Steps for finding the solution

We have 4x + 4 = 9

First, we move the non x terms to the RHS of the equation. To do this, we subtract 4 from both sides.

Note: if a = b, then a - c = b - c

Therefore, 4x + 4 - 4 = 9 - 4

or, 4x = 5

Next, divide both sides by 4, which is the coefficent of x

Note: if a = b, then a ÷ c = b ÷ c

4x/4 = 5/4

x = 5/4 or, x = 1.25

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𝒙 =

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