How do you solve #x+ 4= - 21#?

1 Answer
smendyka
Aug 7, 2017

See a solution process below:

Explanation:

Subtract #color(red)(4)# from each side of the equation to solve for #x# while keeping the equation balanced:

#x + 4 - color(red)(4) = -21 - color(red)(4)#

#x + 0 = -25#

#x = -25#

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