3x - 7 = x - 5
3x - x = -5 + 7
2x = -5 + 7
2x = 2
x = 1
4(x + 3) = 5(3x - 2)
4x + 12 = 15x - 10
4x - 15x = -10 - 12
-11x = -10 - 12
-11x = -22
x = 2
-2(x - 3) = x - 9
-2x + 6 = x - 9
-2x - x = -9 - 6
-3x = -9 - 6
-3x = -15
x = 5
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A. 3x - 7 = x - 5
3x - 7 = x - 5
3x - x = -5 + 7
2x = -5 + 7
2x = 2
x = 1
B. 4(x + 3) = 5(3x - 2)
4(x + 3) = 5(3x - 2)
4x + 12 = 15x - 10
4x - 15x = -10 - 12
-11x = -10 - 12
-11x = -22
x = 2
C. -2(x - 3) = x - 9
-2(x - 3) = x - 9
-2x + 6 = x - 9
-2x - x = -9 - 6
-3x = -9 - 6
-3x = -15
x = 5
Besitos OvO