Jap nnt cikgu bagi yg susah 😏
sape2 lepasan yang nak amik engineering, korang kene jawab camni untuk dapat 15 markah
x−12=10
1(x−12)=10 (Multiplicative Identity Theorem)
1(x−12)+12=10+12 (Addition Property of Equality)
[(1)(x)−(1)(12)]+12=10+12 (Distributive Law)
[x−12]+12=10+12 (Multiplicative Identity)
[x+(−12)]+12=10+12 (Definition of Subtraction)
x+[(−12)+12]=10+12 (Associative Law of Addition)
x+0=10+12 (Additive Inverse Property)
x=22(Additive Identity Property)
x=10+12
x=2(5+6)
x/2=5+6
x/2=11
x=22
x-12=10
x-12+12= 10+12
x=22
χ=22になので
答えは22-12=10にな~る。
Difficulty level American
我就不信外國人算這個也需要超過1秒 一堆台灣人在那邊裝
x-12 = 10
-> x = 10+12
-> x = 22
Х-12=10
Х=(-10)+(-12)
Х=(-22)