Question

7(+53) + (-78+(-1876-27)+ch 2) + (-2)
a) -36
() -39
b) - 10
e 26
b)-45​

Answer 1

Vamos a simplificar paso a paso.

(7)(53)−78−1876−27+ch(2)

=371+−78+−1876+−27+2ch

Combinar términos comunes:

=371+−78+−1876+−27+2ch

=(2ch)+(371+−78+−1876+−27)

=2ch+−1610

solución:

=2ch−1610