Solve the equation for x
3x + 20 = x - 8
2 answers:
Answer:
x=−14
Step-by-step explanation:
Step 1: Subtract x from both sides.
3x+20−x=x−8−x
2x+20=−8
Step 2: Subtract 20 from both sides.
2x+20−20=−8−20
2x=−28
Step 3: Divide both sides by 2.
2x
2
=
−28
2
x=−14
Answer:
x = 9.33333333333
Step-by-step explanation:
How to solve...
3x + 20 = x - 8
+ 8 = x + 8
---------------------- ( add 8 on both sides )
<u>3x + 28 = x</u>
3x + 28 = 3x
---------------------- ( divide 3x on both sides )
<u>28 = 3x</u>
3 = x
---------------------- ( divide 28 by 3 )
x = 9.33333333333
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