Answer:
x= 90-60
x=30
Step-by-step explanation:
I'm not sure what your statement is.
Is it x+y = 10?
Because if it is, the negation of this statement would simply be x+y<span>≠10, which stands for not equal. </span>
To solve the problem we must know about the Like terms and expressions.
<h3>What is an Expression?</h3>
In mathematics, an expression is a set of numbers, variables, and mathematical operations formed according to rules.
Given ;

To solve the algebraic expression,

To solve the problem we must know about the Like terms and expressions.
Learn more about Expression:
brainly.com/question/13947055
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