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3/4(x-1)≥2/3(x+2)-1
3/4(x-1) = 3/4x-3/4
2/3(x+2)-1 = 2/3x +4/3-1 = 2x+1/3
3/4x-3/4 ≥ 2x+1/3
3/4x ≥ 2x+1/3 + 3/4
mcm = 12
3/4x*12 ≥ 2x+1/3 *12 + 3/4*12
9x ≥ 4(2x+1)+9
9x ≥ 8x+4+9
9x-8x ≥ 4+9
x ≥ 13
3/4(x-1) = 3/4x-3/4
2/3(x+2)-1 = 2/3x +4/3-1 = 2x+1/3
3/4x-3/4 ≥ 2x+1/3
3/4x ≥ 2x+1/3 + 3/4
mcm = 12
3/4x*12 ≥ 2x+1/3 *12 + 3/4*12
9x ≥ 4(2x+1)+9
9x ≥ 8x+4+9
9x-8x ≥ 4+9
x ≥ 13
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