for above system of three eqations x is 8
Answer:
a. -6
b. 3
c. 1
Step-by-step explanation:
a. 4(-5)+7(2)
-20+14= -6
b. 2(5-9)-(-3-8)
2(-4)-(-11)=
(-8)-(-11)=
(-8)+11= 3
c. (-7)²+10(-5)
49+(-50)= 1