3(x+8)-5=-4(2x-7) This is the equation

3x 24-5=-8x 28
11x=9
x=9/11

Simplify X-1 + X-2

When x ＜ 1,
X-1 + X-2
=1-x+2-x
=3-2x
When 1 ≤ x ≤ 2
X-1 + X-2
=x-1+2-x
=1
When x > 2
X-1 + X-2
=x-1+x-2
=2x-3

Known 0

Simplify x-3 + X + 2

When x > 3, 2x-1
When - 2

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