Respuesta:
69
Explicación paso a paso:
4x+29=121
121-29=4x
92=4x
x=92÷4
x=23
=23×3
=69
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Verified answer
Respuesta:
69
Explicación paso a paso:
4x+29=121
121-29=4x
92=4x
x=92÷4
x=23
=23×3
=69