5(3x+4)-8(6x+7)=9x-8
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Answered by
3
=15x + 20 - 48x - 56 = 9x - 8
= -33x -36 = 9x - 8
= -33x - 9x = -8+36
-42x = 28
= x = -28/42
x = - 0.666
= -33x -36 = 9x - 8
= -33x - 9x = -8+36
-42x = 28
= x = -28/42
x = - 0.666
Answered by
2
15x + 20 - 48x-56=9x-8
-33x -36= 9x-8
42x= -28
x=-14/21
-33x -36= 9x-8
42x= -28
x=-14/21
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