Question

Ejercicios:
 2x +7 = 13
 5x-7= x + 9
 -9 + 6x = 15 + 2x
 -8 +5x -5 = -5x +10 – 3
 14 – 12x +39x -18x = 256 -60x – 657x
 -8x +15x + 30x +51x = -53x -31x +172
 12x – 7x -2 = 20 – 6x
 -9x +4 + 16x = 10 +6x -5

Answer 1

Respuesta:

2×7=14

5×734

23÷56

123×+67

156+×÷=98765