Answer: Divide 50 on both sides and it will get you 21
Answer:
x = -3
y = -6
Step-by-step explanation:
x+y = -11
x-y = 5
x+y+x-y= -6
2x= -6
x = -3
y = -6
After combining like terms and simplifying
we get 
Step-by-step explanation:
We need to combine like terms to simplify the expression:

Like terms: The terms are like when they have same variable and same exponent.
Solving:

So, After combining like terms and simplifying
we get 
Keywords: Solving Expressions
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.72 is 72%. Just move the decimal point two places to the right.