4. Solving Absolute Value Equations
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Break down the given absolute value equation two separate equations.
f=- 1
Statement | Result |
---|---|
Both absolute values are positive. | ax+b=cx+d |
Both absolute values are negative. | -(ax+b)=-(cx+d) |
Only the left-hand side is negative. | -(ax+b)=cx+d |
Only the right-hand side is negative. | ax+b=-(cx+d) |
lc f-6 ≥ 0:f-6 = (f+8) & (I) f-6 < 0:f-6 = - (f+8) & (II)
f= - 1
Add and subtract terms
|-7|=7
|7|=7