I threw three chicken for a handful of grains and I noticed that it eat in a ratio of 8:7:6 and two of them grabbed 156 grains. How many grains have fought that chicken?
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- Simple equation
Solve for x: 3(x + 2) = x - 18
solve equations by substitution: x+y= 11 y=5x-25
Number 118 divide into two addends, so first addend is 69 greater than 75% of the second addend.