What does it mean when you substitute a value into an equation and the result is a true statement?

A solution to an equation is a value of a variable that makes a true statement when substituted into the equation. ... We say 5 is a solution to the equation x+2=7 x + 2 = 7 because when we substitute 5 for x the resulting statement is true.

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Step-by-step explanation:

hope this helps!

you never say the total so we cant find the percentage used for petrol

step-by-step explanation:

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney