replace a variable with another equation.
ex. 2x + 3 = ? and x = 5. you would replace the x in the equation with 5 since x = 5. so it would be 2(5) + 3 = ?. simplify it out and it would be 13. now substitution can get way more complicated than that but that should be a helpful guide.
HELL NO! If you like algebra, even pre algebra, there is something wrong with you.
Study like hell.
Its an algebra property(: ask someone else cause i got no idea!
Substitution in algebra refers to substituting numbers in place of letters Let me give you an example If X=3, and we were given this > (Find 3X+5) we would substitute 3 in the place of X so (3x3)+5= 9 + 5 = 14 Gd luck U
Graphing is not necessarily easier than elimination or substitution. If you are good at drawing graphs, and do not like algebra, then graphing is easier. However, elimination and substitution are much faster, and graphing can often get awkward when working with more complicated formulae.
You use algebra and solve the system(s) of equations using techniques such as elimination or substitution.
Substitution is used in Systems of Linear Equations. When you have two equations, such as y=3x+1 and 2y+5=9x+1, then substitution can be used. 2y could be substituted with 2(3x+1). You would have now the equation 6x+2=9x-1, which is more solvable.
I have taken Algebra I and made an 99 easily. You must learn to memorize how to solve equations and various formulas. Be prepared to right out long equations and use substitution and elimination to simplify equations. Also, pay attention in class.
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The substitution method in mathematics is a technique used to solve systems of equations by isolating one variable and substituting it into the other equation. The method is not attributed to a single inventor, as it has been used by mathematicians for centuries. The concept of substitution in algebra can be traced back to ancient civilizations such as the Babylonians and Greeks, who used similar methods to solve mathematical problems.
pros; you will learn to be smarter. cons; you will waste ALL your time, get angry, and punch your teacher for making you do the work.
substitution menthod