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Popular >

3a+21=7-4a

Solution

3 a + 21 = 7 - 4 a

Solution

a = - 2

Solution steps

3 a + 21 = 7 - 4 a

Move

21

to the right side

3 a = - 4 a - 14

Move

4 a

to the left side

7 a = - 14

Divide both sides by

7

a = - 2

Popular Examples

- 3 (2 h - 4) = 20 - 4 h

solvefor i,(13+4i)+n=0 solve for

i, (13 + 4 i) + n = 0

k - 36 = 37

y=|-15+16(1/4)|

y = - 15 + 16 (\frac{1}{4})

6 (x - 4) - x = 6 x + 4

Frequently Asked Questions (FAQ)

What is the answer to 3a+21=7-4a ?
The answer to 3a+21=7-4a is a=-2
Solve for a: 3a+21=7-4a
The solution is a=-2