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Question
2x+1=9
Solve the equation
x=4
Evaluate
2x+1=9
Move the constant to the right-hand side and change its sign
2x=9-1
Subtract the numbers
2x=8
Divide both sides
\frac{2x}{2}=\frac{8}{2}
Divide the numbers
x=\frac{8}{2}
Solution
More Steps
Evaluate
\frac{8}{2}
Reduce the numbers
\frac{4}{1}
Calculate
4
x=4
Show Solutions
Rewrite the equation
x=4
Evaluate
2x+1=9
Move the constant to the right side
2x=8
Solution
x=4
Show Solutions
Graph
