Respuesta:
5x-8=77
5x=77+8
x=85/5
x=17
7x+12=30
7x=30+12
x=42/7
x=6
8x+12=36
8x=36-12
x=24/8
x=3
x+45=72
x=72-45
x=27
x +27=82
x=82-27
x=55
x-13=66
x=66+13
x=79
Explicación paso a paso:
Espero te ayude!
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Verified answer
Respuesta:
5x-8=77
5x=77+8
x=85/5
x=17
7x+12=30
7x=30+12
x=42/7
x=6
8x+12=36
8x=36-12
x=24/8
x=3
x+45=72
x=72-45
x=27
x +27=82
x=82-27
x=55
x-13=66
x=66+13
x=79
Explicación paso a paso:
Espero te ayude!