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x+7=-4x-18 2(-5)-3
x+4x = -18-7 -10-3
5x = -25 = -13
x = -5
23. 5-2x ≥ 4
-2x ≥ 4-5
-2x ≥ -1
x ≤ 1/2 (0,5)
24. 2(x-3) > -10
2x-6 > -10
2x > -10+6
2x > -4
x > -2