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8x = 112 + x
7x = 112
x = 16
2.
x+0,05x+0,1x=69
1,15x=69 /:1,15
x=60
2x = 28+1/4x
8x = 112 + x
7x = 112
x = 16
B)
X+0,05X+0,1X
1,15X=69
X=60
2x = 28+1/4x
8x = 112 + x
7x = 112
x = 16
B
X+0,05X + 0,1X
1,15X = 69
X = 60