carolinefrick carolinefrick

18-09-2017
Mathematics

contestada

Find the value of x when 5x + 6 - 2x = 9.

Respuesta :

narslanovic98owhgry narslanovic98owhgry

18-09-2017

5x+6-2x=9
3x+6=9
3x=3
x=1

Answer Link

apologiabiology apologiabiology

18-09-2017

reeember, we can do anything to an equation as long as we do it to both sides

and commutative property
a+b=b+a

5x+6-2x=9
group like terms
5x-2x+6=9
add like terms
3x+6=9
minus 6 both sides
3x=3
divide both sides by 3
x=1

Answer Link

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