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Popular >

2x+9=8x+21

Solution

2 x + 9 = 8 x + 21

Solution

x = - 2

Solution steps

2 x + 9 = 8 x + 21

Move

9

to the right side

2 x = 8 x + 12

Move

8 x

to the left side

- 6 x = 12

Divide both sides by

- 6

x = - 2

Popular Examples

15m+7(17+13m)=-57+18m

15 m + 7 (17 + 13 m) = - 57 + 18 m

∣ 2 x + 1 ∣ + 5 < 10

factor x^4-3x^2+2x factor

x^{4} - 3 x^{2} + 2 x

1 \leq 3 x + 4 \leq 16

3 a + 17 = 32

Frequently Asked Questions (FAQ)

What is the answer to 2x+9=8x+21 ?
The answer to 2x+9=8x+21 is x=-2
Solve for x: 2x+9=8x+21
The solution is x=-2