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Popular >

x+12=21

Solution

x + 12 = 21

Solution

x = 9

Solution steps

x + 12 = 21

Move

12

to the right side

x = 9

Graph

Popular Examples

-5(-2d+1)=13+4d

- 5 (- 2 d + 1) = 13 + 4 d

solvefor y,4x+8y=40 solve for

y, 4 x + 8 y = 40

12 x - 12 + 4 x = 180

- \frac{x}{3} - \frac{1}{4} x = 14

solvefor y,-x+1/2 y=-3 solve for

y, - x + \frac{1}{2} y = - 3

Frequently Asked Questions (FAQ)

What is the answer to x+12=21 ?
The answer to x+12=21 is x=9
Solve for x: x+12=21
The solution is x=9