State how many solutions each equation has. (Will mark brainlest)

2z - 6 = 2(z + 2) - 10

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

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