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2x=97+5
2x=102
x=102:2
x=51
b)7+9x=43
9x=43-7
9x=36
x=36:9
x=4
-2x = -5 - 97
-2x = -102 | : (-2)
x= 51
b) 43 = 7 + 9x
-9x = 7 - 43
-9x = -36 | : (-9)
x= 4
97=2x-5
-2x=-5 - 97
-2x = -102 /:(-2)
x = 51
b)
43=7+9x
-9x = 7 - 43
-9x = -36 /: (-9)
x = 4