Grade 8: 2-Step Equation with Mult and Add (cmdn007)
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Uploaded by coastermonkeydotnet on Nov 4, 2007
Intro to Algebra
2-Step Equation with Multiplication and Addition (3x - 10 = 20)
Video ID: cmdn007
The goal, as always, is to isolate or "solve for" the variable. You should first undo any addition or subtraction using inverse operations. Then you can undo any multiplication or division to complete the problem.
1. Undo the -10: Add 10 to both sides.
2. Undo the 3x: Divide both sides by 3.
Solved: x = 10
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Hiya Mr. V! Coming from Mike, with many greetings.
ZippoPrower94 3 years ago
MR. BURO ROCKS! danielle class 810
danidukes94 4 years ago
vote eddie for class flirt
eddie12323 4 years ago
lol i learnt this last terms well now i just sstarted yr 9 pretty cool i love maths
airbus94 4 years ago
best song
eddie12323 4 years ago