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The equation representing how many cakes Sam baked this week is 20 + 4x = 60.
What is an Equation?
An equation is a mathematical statement formed when two algebraic expressions are equated using an equal sign.
The equations are useful in the determination of unknown parameters.
The equations are of various types, such as Trigonometric equations, and quadratic equations.
Sam is baking cakes at her parents bakery.
The fixed amount she gets every week for baking is $20
The amount she receives for every cake she bakes is $4
The money she made this week is $60
The equation can be formed by relating the no. of cakes Sam made with the amount she received this week for baking.
The unknown parameter is the number of cakes she baked.
Let the number of cake she baked is x, then,
20 + 4x = 60
Subtracting 20 from both sides.
4x = 40
Dividing by 4 on both sides.
x = 10
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