Resolva cada inequação;
A) 5x + 4 \geqslant 11 + 2x5x+4⩾11+2x
B) 2x - 3 \leqslant 18 + x2x−3⩽18+x
Com cálculo.
A) 5x + 4 \geqslant 11 + 2x5x+4⩾11+2x
B) 2x - 3 \leqslant 18 + x2x−3⩽18+x
Com cálculo.
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5 X - 2X ⩾ 11 - 4
3X ⩾ 7
X ⩾ 7/3
X⩾ 2,3
b) 2x - 3⩽ 18 + X
2x - X ⩽ 18 + 3
X ⩽ 21