are the expression -7 + -2 and -7 - 2 equivalent why or why not? include the solutions for each expression for full credit
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The standard form of any linear equation with two variables is 
, where a, b, and c are constants. To convert this equation to standard form, simply subtract 
from both sides to get
We could leave it in this form, though, in this case, it might be better at if we multiplied both sides by -1 to get
We could leave it in this form, though, in this case, it might be better at if we multiplied both sides by -1 to get