Answer:
X=8
Step-by-step explanation:
So since an equation with unknown variable divide 7 on both sides
56/7=8
x=8
8
X=56÷7=8
By moving 7 to other side
And change the sign to divide
Becz if it multiplication it will change to divide and if plus it will change it sign to negative
Answer: 44.02
Step-by-step explanation: (6.4+7.8)x6.2÷2=44.02
Answer: =135
f(x) = 6(21)+9
f(x)= 135
A pentagon has five sides
