Question

Sabendo-se queA=8x,B=5xeC=3x,efetue os cálculos algébrico:
a)A+B=
b)A+C=
c)B+C=
d)A+B+C=
e)A-B=
f)B-C=

Answer 1

A=8x
B=5x
C=3x
a)A+B= 8x + 5x = 13x
b)A+C= 8x + 3x = 11x
c)B+C= 5x + 3x = 8x
d)A+B+C= 8x + 5x + 3x = 16x
e)A-B= 8x - 5x = 3x
f)B-C= 5x - 3x = 2x