#2
Ecuaciones de primer grado (ejemplos
resueltos)
-17x +97 = -26x +160
-17x +26x = 160 -97
9x = 63
x = 63/9
x = 7
-5x
-78 = -10x -118
-5x +10x = -118 +78
5x = -30
x = -30/5
x = -6
15x
+58 = 8x +30
15x -8x = 30 -58
7x = -28
x = -28/7
x = -4
-2x -14
= -x -9
-2x +x = -9 +14
-x = 5
x = 5/-1
x = -5
-2x
-12 = -3x -21
-2x +3x = -21 +12
x = -9
-2x
+17 = -x +11
-2x +x = 11 -17
-x = -6
x = -6/-1
x = 6
-13x
+102 = -8x +67
-13x +8x = 67 -102
-5x = -35
x = -35/-5
x = 7
x -12
= 2x -18
x -2x = -18 +12
-x = -6
x = -6/-1
x = 6
3x
-12 = 2x -8
3x -2x = -8 +12
x = 4
-7x
-42 = -11x -66
-7x +11x = -66 +42
4x = -24
x =-24/4
x = -6
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