cheergirl2133
28.01.2020 •
Mathematics
Solve this equation: 2s + s + 12 = 132.
a. s = –30
b. s = 120
c. s = 9
d. s = 40
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Ответ:
2s+s+12=132
Simplify both sides of the equation.
2s+s+12=132
Simplify:
3s+12=132
Subtract 12 from both sides.
3s+12−12=132−12
3s=120
Divide both sides by 3.
3s/3 = 120/3
s=40
Ответ:
bru
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