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1)3 x+8 = 9 (x-2) + 5
2)6m - am + 5/7
3) 2.5 = x/2.7
4) 3x-7= 16 -x
Answers
Answered by
0
Step-by-step explanation:
1) 3x+8=9x-18+5
3x+8=9x-13
6x=21
x=7/2
3)6.75
4)x=23/4
Answered by
1
Answer: first question
3x+8 = 9(x-2)+5
3x+8 = (9x-18 )+5
3x+8= (9x-13)
8+13 = (9x-3x)
21 = 6x
21/6 = x
7/2 = x
second question
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third question
2.5 = x/2.7
2.5 *2.7 = x
6.75 = x
fourth question
3x-7 = 16-x
3x+x = 16+7
4x = 23
x = 23/4
Step-by-step explanation:
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