9X - 7 = 6
add 7 to each side
9x - 7 + 7 = 6 + 7
9X = 13
divide both sides integers by 9
(9/9)X = 13/9
X = 13/9
=========check in original equation
9(13/9) - 7 = 6
13 - 7 = 6
6 = 6
--------checks
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9x + 7 = 15x + 1 ___-1_______-1 9x + 6 = 15x -9x_____-9x ____6=6x ____/6_/6 ____1=x x equals 1.
-7 (negative 7) transpose the 9x then transpose the 6. divide both sides by 3x and your answer will be -7 =]
If: 9x+7 = 6x+25 Then: x = 6
x=-7
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