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25.09.2020 •
Mathematics
PLS HELP SOLVE THESE TWO
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Ответ:
1. 150
2.160
Step-by-step explanation:
1.
or, (x-10)+40+x/3+(x-20) = 360
or, x-10+40+x/3+x-20=360
or, 2x+x/3+10=360
or, (3*2x+x)/3=350
or, (6x+x) = 1050
or, 7x=1050
or, x=150
2.
or, x/2+x-15+100+x/2+x-25=540
or, x/2+x/2+2x+60=540
or, 2x/2+2x=540-60
or, ×+2x=480
or, 3x=480
or, x=160
Ответ:
answer:
x=y/3−c/3
Step-by-step explanation:
Rewrite the equation as 3x+c=y.3x+c=y
Subtract c from both sides of the equation.3x=y−c
Divide each term by 3 and simplify.