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(b) x + (x+6)= (x+8) +21
Answers
Answered by
1
Step-by-step explanation:
x + (x+6)= (x+8) +21
=> 2x+6=x+29
=> 2x-x=29-6
=> x=23
Answered by
1
Step-by-step explanation:
x+x+6=x+8+21
2x+6=x+29
2x-x=29-6
x=23
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