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Mathematics 13 Online
OpenStudy (peterg2001):

help please check if im right please

OpenStudy (peterg2001):

@AlexandervonHumboldt2 @Jaynator495

OpenStudy (peterg2001):

and i have two more

OpenStudy (anonymous):

Spot on, good job. You can always check your answer by putting it in the original equation: 3(x-2)=3(8-2)=3*6=18 as required.

OpenStudy (peterg2001):

i need step by step will this work? @tom982

OpenStudy (anonymous):

I don't know what you're asking me.

OpenStudy (peterg2001):

is it gonna work as step by step?

OpenStudy (anonymous):

What you wrote before is a correct step by step answer.

OpenStudy (peterg2001):

ok thanks can u check more?

OpenStudy (peterg2001):

Question 2: Solve for x: 3x-8 = 7(x-8)

OpenStudy (peterg2001):

1 Expand 3x−8=7x−56 2 Subtract 3x from both sides −8=7x−56−3x 3 Simplify 7x−56−3x to 4x−56 −8=4x−56 4 Add 56 to both sides −8+56=4x 5 Simplify −8+56 to 48 48=4x 6 Divide both sides by 4 48/4=x 7 Simplify 48/4 to 12 12=x 8 Switch sides x=12

OpenStudy (anonymous):

Correct.

OpenStudy (peterg2001):

one more?

OpenStudy (anonymous):

Sure

OpenStudy (peterg2001):

Let the number be x (30/100)x=15 0.3x=15 Divide each side by 0.3 x=15/0.3=50 Therefore 15 is 30% of 50

OpenStudy (peterg2001):

can u help me with this one? please could u show step by step please

OpenStudy (peterg2001):

Question 3: 15 is 30% of what number?

OpenStudy (anonymous):

What you've done is perfect, good work

OpenStudy (peterg2001):

@AlexandervonHumboldt2 @Jaynator495 could u please check my work please?

OpenStudy (mathmale):

@peterg2001 : Kindly post no more than one or two requests at the same time. If y ou go on and on, it may take longer for y ou to get a helper's response!

OpenStudy (peterg2001):

@Directrix help?

Directrix (directrix):

Close this post and open a new one with no more than two questions in it. Thanks. @peterg2001

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