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Popular >

3x+15=x+21

Solution

3 x + 15 = x + 21

Solution

x = 3

Solution steps

3 x + 15 = x + 21

Move

15

to the right side

3 x = x + 6

Move

x

to the left side

2 x = 6

Divide both sides by

2

x = 3

Popular Examples

simplify (49+12i)/(22-5i)simplify

\frac{49 + 12 i}{22 - 5 i}

4 t^{2} + 9 = 15 t

z^2+1/2 z+1/4 =0

z^{2} + \frac{1}{2} z + \frac{1}{4} = 0

4[5-8(4c-3)]=12(1-13c)-8

4 [5 - 8 (4 c - 3)] = 12 (1 - 13 c) - 8

simplify log_{4}(4)+log_{4}(16)simplify

lo g_{4} (4) + lo g_{4} (16)

Frequently Asked Questions (FAQ)

What is the answer to 3x+15=x+21 ?
The answer to 3x+15=x+21 is x=3
Solve for x: 3x+15=x+21
The solution is x=3