Respuesta:
A) X+45=235
X=235-45
X=190
B) X-50=295
X=295+50
X=345
Explicación paso a paso:
X+45+(-45)=235+(-45)
X+0=235-45
X-50+50=295+50
X+0=345
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Respuesta:
A) X+45=235
X=235-45
X=190
B) X-50=295
X=295+50
X=345
Explicación paso a paso:
A) X+45=235
X+45+(-45)=235+(-45)
X+0=235-45
X=190
B) X-50=295
X-50+50=295+50
X+0=345
X=345
Verified answer
Respuesta:
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