resolva as seguintes equações. e bote a conta.
3) 5t-6= 3-4t
4) 9-3×+8= 5x+16
5) 7x+10= 6x-5
6) -3x+8= 5x
7) x-4+5x= 4x+8
8) 25-3a+2= -2a+17
9) 14t+24= 10t+2t+30
10) 21x-17= 109
11) 73x+100= 53x
12) 1,7+2,5x= 4,2
13) 23x-22=19+6
3) 5t-6= 3-4t
4) 9-3×+8= 5x+16
5) 7x+10= 6x-5
6) -3x+8= 5x
7) x-4+5x= 4x+8
8) 25-3a+2= -2a+17
9) 14t+24= 10t+2t+30
10) 21x-17= 109
11) 73x+100= 53x
12) 1,7+2,5x= 4,2
13) 23x-22=19+6
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5t + 4t = 3 + 6
9t= 9
t= 1
9-3x+8 = 5x + 16
9+8 - 16 = 5x +3x
8x= 1
x = 1/8
7x +10= 6x -5
7x - 6x = -5 - 10
X = - 15
-3x +8 = 5x
8 = 5x + 3x
8x = 8
X= 1
X-4 +5x= 4x +8
6x -4x = 8+ 4
2x = 12
X = 6
25 - 3a + 2= -2a +17
27 -17 = a
a= 10
14t +24= 10t + 2t + 30
14t - 12t = 30 - 24
2t= 6
T= 3
21x -17 =109
21x= 126
X=6
73x+100= 53x
20x = - 100
X= - 5
1,7 + 2,5x= 4,2
2,5 x = 2,5
X = 1
23x -22= 19+6
23x= 25+ 22
23x=47
X= 2,0434782