Asked by Fred
Solve for x. 9x+9x−21=33
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Answered by
GPT 3.5
To solve for x, we need to combine like terms and isolate the variable x on one side of the equation.
First, we combine the like terms on the left side of the equation:
9x + 9x - 21 = 33
(9x + 9x) - 21 = 33
18x - 21 = 33
Next, we isolate the variable x by moving the constant term to the other side of the equation:
18x - 21 + 21 = 33 + 21
18x = 54
Lastly, we solve for x by dividing both sides of the equation by the coefficient of x:
18x/18 = 54/18
x = 3
Hence, the solution to the equation 9x + 9x - 21 = 33 is x = 3.
First, we combine the like terms on the left side of the equation:
9x + 9x - 21 = 33
(9x + 9x) - 21 = 33
18x - 21 = 33
Next, we isolate the variable x by moving the constant term to the other side of the equation:
18x - 21 + 21 = 33 + 21
18x = 54
Lastly, we solve for x by dividing both sides of the equation by the coefficient of x:
18x/18 = 54/18
x = 3
Hence, the solution to the equation 9x + 9x - 21 = 33 is x = 3.
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