smithcj0505
17.01.2020 •
Mathematics
Solve for x.
3x - 13 = 2
(show your work)
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Ответ:
3x-13=2
move -13 to the other side
sign changes from -13 to +13
3x-13+13=2+13
3x=2+13
3x=15
divide both sides by 3 to get x by itself
3x/3=15/3
cross out 3 and 3, divide by 3 and then becomes 1*1*x=x
x=15/3
x=5
x=5
Ответ:
y=mx+b is slope intercept form