-18
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16 - Z = 34
subtract 16 from each side
- 16 + 16 - Z = 34 - 16
- Z = 18
apply a negative 1 ( distribute - 1 to parentheses )
- 1(- Z = 18 )
Z = - 18
=========check in original equation
16 - ( - 18 ) = 34
16 + 18 = 34
34 = 34
========checks
If the missing signs are pluses, x = 16.
4x2 - 30 = 34 ⇒ 4x2 = 64 ⇒ x2 = 16 ⇒ x = 4 or -4
the answer to 212 x 35 is 7420 thus another way of writing this is 212 x 34 + 212 x 1
4x-6=34 +6=+6 4x=40 /4=/4 x=10
x - 18 = 34 just add 18 to both sides... X - 18 + 18 = 34 + 18 x + 0 = 52 x = 52