Respuesta :
Answer:
x=3
Step-by-step explanation:
1. separate the x's to one side as well as the normal numbers
8x-2x=21-3
2. Subtract
6x=18
3. Divide
x=3
8x - 2x= 21 - 3
=(6x)divided by 6= 18 divided by 6
X = 3
Proof
8(3) + 3= 2(3) + 21
27 = 27
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=(6x)divided by 6= 18 divided by 6
X = 3
Proof
8(3) + 3= 2(3) + 21
27 = 27
Plzzz mark as brainleast plzzz