8. An Introduction to Equations
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The word equals
divides the sentence into what should be in the left-hand side and what should be in the right-hand side of the equation.
4x+(-3)=8
In order to translate the given sentence into an equation, we need to look at each of the key phrases. From the last part of the sentence, ...is 8
, we know that something should be equal to 8.
is 8
tells us what should be on the left-hand side of the equation. The sum of 4x and - 3
means that we should add the variable term 4x and - 3.
The sum of 4xand -3is8.
4x + (-3)=8