A)7(×-2)=5(×+3)
B)2(×-5)+4(×-1)=0
C)3(2×-1)=-2(×+3)
Com conta,por favor!!!
B)2(×-5)+4(×-1)=0
C)3(2×-1)=-2(×+3)
Com conta,por favor!!!
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7X - 5X = 15 + 14
2X = 29
X = 29
2
X = 14,5
b) 2X -10 = 4X - 4 = 0
4X - 2X -4 + 10 = 0
2X + 6 = 0
X = 6
2
X= 3
c) 6X - 3 = - 2X + 6
6X + 2X = 6 + 3
8X = 9
X = 9
8
X = 1,125
Espero ter ajudado...... ♡
7x - 5x = 15 + 14
2x = 29
x = 29/2
x = 14,5
b) 2x - 10 + 4x - 4 = 0
2x + 4x = 4 + 10
6x = 14
x = 14/6
x = 7/3 ou 2,33...
c) 6x - 3 = - 2x - 6
6x + 2x = -6 + 3
8x = -3
x = - 3/8
x = - 0,375