Question

resolva as expressões
a) x+2=10
b) 0,5-9=1,5
c) 4x+3=19
d) 6-3= -10 - 4x
e) 2×-1=3
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5

Answer 1

a) x=10-2
    x=8
b) ????
c) 4x=19-3
    4x=16
    x=4
d) 4x=-10-6+3
    4x=-13
    x= $- \frac{13}{4}$
e) 2x=3+1
    2x=4
    x=2