3x+5x+11-31=180 solve
Answers
Answered by
1
Step-by-step explanation:
3x + 5x - 20 = 180
8x - 20 = 180
8x = 180 + 20
8x = 200
x = 200/8
x = 25
Answered by
1
Answer:
subtract the number
3x+5x+11-31=180
3x+5x-20=180
combine like terms
3x+5x-20=180
8x-20=180
add 20 both sides of the equation
8x-20=180
8x-20+20=180+20
x=25
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