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What is the vaule of 12(3x+5x),when x=7

User Corey Wu
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Fist plug in 7 in to the X values like so 12 (3 (7) +5 (7)) then solve in side the parenthesis 3×7 =21 and 5×7=35 then add them 35+21=56 and then you are left with 12(56) or 12×56= 672
What is the vaule of 12(3x+5x),when x=7-example-1
User Rukmal Dias
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