solve for the variable in each equation (simplify fully) : z + 13 = 2

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in Algebra 1 Answers by Level 2 User (1.1k points)

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1 Answer

What is your problems..?
It's very easy

13 + z = 2

ask it in another way
how to let the 13 becomes 2?

13 - [ ? ] = 2

you will get 11

but 13 + 11 will NOT equal 2

it should be MINUS
13 - 11 = 2
→13 + (-11) = 2

z = -11



Do the remaining question yourself.
by

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