Answer:
Step-by-step explanation:
Let the number be 'n'
16n + 2 = -7n - 21 {add 7n to both sides}
16n + 2 +7 n = -21 { combine like terms}
16n + 7n + 2 = -21
23n + 2 = - 21 {subtract 2 form both sides}
23n = -21 - 2
23n = -23 {Divide both sides by 23}
23n/23 = -23/23
n = -1
