3. Rezolvaţi, in multimea numerelor intregi, ecuariile
a) 5•x-15=0
b) 4•x+16=20
c)-3•x+11= -1
d)-2•x-200=0
e)21=7•x-21
f)10•x+99=88
g) 2•x+x=-20+(-10)
h) -(1-2x)= -37
VA ROGGGGG

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