LEVEL-1 1. Find the value of x for which ( 8x + 4), ( 6x-2) and (2x + 7) are in A.P.​

Question

LEVEL-1
1. Find the value of x for which ( 8x + 4), ( 6x-2) and (2x + 7) are in A.P.​

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Vivian 2 weeks 2021-09-04T18:21:38+00:00 1 Answer 0 views 0

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    2021-09-04T18:23:13+00:00

    Answer:

    6x-2-8x-4=2x+7-6x+2

    -2x-6=-4x+9

    -2x+4x=6+9

    2x=15

    x=15/2

    x=7.5

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18:9+8+9*3-7:3-1*13 = ? ( )