(7) 9x - 4 = 3 (x-4) (9) 5x - 3 = 3x + 7 (11) 5x - 2 = 3x + 8 (13) 15 + 6x = 4x + 3 (15) 4 (3x - 1) = 3 (2x - 3) (17) 9x - 4-3 (x - 4) = 4(x - 1) please tell me answer
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(7)
=9x-4=3(x-4)
=9x-4=3x-12
=9x+3x=4-12
=12x=8
=x=8/12
= factor of 8 and 12
=x=4×2/4×3
=4 and 4 will cut
=x=2/3
(9)
=5x-3=3x+7
=5x-3x=3+7
=2x=10
=x=10/2
=x=5
(11)
=5x-2=3x+104
=5x-3x=2-104
=2x=102
=x=51
(13)15+6x=4x+3
=6x-4x=15+3
=2x=18
=x=18/2
=x=9
(15)
=12x-4=6x-9
=12x-6x=9-4
=6x=5
=x=6/5
(17)
=9x-4-3x-12=4x-4
=9x+3x-4x=12+4-4
=8x=12
=x=12/8
=you have to do factor of 8 and 12
=x=4×2/4×3
=you have to cut 4 and 4
=x=2/3
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