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Solve for x: −3|x + 7| = −12
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Divide by -3 on both sides \[|x+7|=4\]
So same idea as an earlier question \[x+7=-4\quad \quad \mathrm{or}\quad \:\quad \:x+7=4\]
#1 \[x+7=−4\] Subtract 7 on both sides \[\x=-11]
#2 \[x+7=4\] Subtract 7 on both sides \[x=-3\]
-x-7=4
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-x=4=7
4+7 = 11
x - 11
I don't understand where you got that -x from
Break down the problem into these 2 equations
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Solve the 1st equation: x+7=4
Subtract 7 from both sides
Yes so \[x=-11\]
yes
x=−11,−3
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Yes
can you help me on the next one
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