5x - 7 = 3x + 11
5x - 3x = 11 + 7
2x = 18
x = 18 / 2
x = 9
COMPROBACIÓN:
5 (9) - 7 = 3 (9) + 11
45 - 7 = 27 + 11
38 = 38
5 (2x - 1) + 3 (x - 2) = 10 (x + 1)
10x - 5 + 3x - 6 = 10x + 10
10x + 3x - 10x = 10 + 6 + 5
3x = 21
x = 21 / 3
x = 7
5 (2 × 7 - 1) + 3 (7 - 2) = 10 (7 + 1)
5 (13) + 3 (5) = 10 (8)
65 + 15 = 80
80 = 80
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5x - 7 = 3x + 11
5x - 3x = 11 + 7
2x = 18
x = 18 / 2
x = 9
COMPROBACIÓN:
5 (9) - 7 = 3 (9) + 11
45 - 7 = 27 + 11
38 = 38
5 (2x - 1) + 3 (x - 2) = 10 (x + 1)
10x - 5 + 3x - 6 = 10x + 10
10x + 3x - 10x = 10 + 6 + 5
3x = 21
x = 21 / 3
x = 7
COMPROBACIÓN:
5 (2 × 7 - 1) + 3 (7 - 2) = 10 (7 + 1)
5 (13) + 3 (5) = 10 (8)
65 + 15 = 80
80 = 80
AHI TIENES, ESPERO HABERTE AYUDADO!