2x = 20
x = 20/2
x = 10
2 * 10 = 20
20 = 20
5a + 1 = 21
5a = 21 - 1
5a = 20
a = 20/5
a = 4
5 * 4 + 1 = 21
20 + 1 = 21
21 = 21
y - 7 = 3y - 37
y - 3y = - 37 + 7
- 2y = - 30
y = -30/-2
y = 15
15 - 7 = 15 * 3 - 37
8 = 45 - 37
8 = 8
Respuesta:
espero aver ayudado corona plis :)
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Verified answer
2x = 20
x = 20/2
x = 10
2 * 10 = 20
20 = 20
5a + 1 = 21
5a = 21 - 1
5a = 20
a = 20/5
a = 4
5 * 4 + 1 = 21
20 + 1 = 21
21 = 21
y - 7 = 3y - 37
y - 3y = - 37 + 7
- 2y = - 30
y = -30/-2
y = 15
15 - 7 = 15 * 3 - 37
8 = 45 - 37
8 = 8
Respuesta:
espero aver ayudado corona plis :)