Simplify the left side.
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3−9x=2(−4x+7)
Simplify the right side.
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3−9x=−8x+14
Move all terms containing x
to the left side of the equation.
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3−x=14
Move all terms not containing x
to the right side of the equation.
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−x=11
Multiply each term in x=−11
by −1
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x=−11
Hope this helps!
First you use the distributive property. So, 3 times 1 and 3 times -xx = 2 times -4x and 2 times 7. This becomes 3-9x = -8x+14. Subtract 3 from both sides and add 8x to both sides and you get -x=11, so x=-11
