a) 2x +3x= +7+15
5x =22
x=22/5
b) 2x+3=0
2x= -3
x= - 2/3
c) 15x-3x =28-10
12x = 18
x= 12/18 dividido por 2
x = 6/9 por 3
x= 2/3
d) 24+13 =37
0 =37-24-13
0
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Verified answer
a) 2x +3x= +7+15
5x =22
x=22/5
b) 2x+3=0
2x= -3
x= - 2/3
c) 15x-3x =28-10
12x = 18
x= 12/18 dividido por 2
x = 6/9 por 3
x= 2/3
d) 24+13 =37
0 =37-24-13
0