12. solve the following expressions:
i. 10(x - 2) – 4(x +1) + 3(x + 6) = 0
ii. 3(x - 1) + 4(2x +1) = 23.
iii. 2{(x + 1) + (x + 2)} = {(x + 3) + (x +4)}
iv. x+4/2+x-3/3=10
v. x-1/4+x+1/3=10
vi.7x/8+3/8=14
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in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

the answer is two. hope this !

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of