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Mathematics 12 Online
OpenStudy (anonymous):

7 + 4x - 9 = -6

OpenStudy (anonymous):

show work please

HanAkoSolo (jamierox4ev3r):

this is just a basic equation. First, add the like terms. Can you do that @mikaa_toxica13 ?

HanAkoSolo (jamierox4ev3r):

For example, in this problem, 7+4x-9=-6 all you do is add 7 and -9 together. This gives you 4x-2=-6

OpenStudy (anonymous):

7 + 4x - 9 = -6 combine 7 and -9 -2 + 4x = -6 add -2 to other side 4x = -4 Then solve for x

HanAkoSolo (jamierox4ev3r):

from here @mikaa_toxica13 , can you solve?

OpenStudy (anonymous):

Depends, do I use the PEMDAS method ?

HanAkoSolo (jamierox4ev3r):

no just solve it like an it like an equation. Here, let me show you the process. 4x-2=-6 +2 +2 add 2 to both sides ------ 4x=-4 /4 /4 divide 4 from both sides to get x by itself ----- x=-1 the answer: x=-1

HanAkoSolo (jamierox4ev3r):

Does that make sense @mikaa_toxica13 ?

OpenStudy (anonymous):

Yes thank u !

OpenStudy (anonymous):

could u check my work on another ?

HanAkoSolo (jamierox4ev3r):

yes sure :)

OpenStudy (anonymous):

-12 = -5 - 6n + 11 -12 + 6n - 6 = 0 -18 + 6n = 0 6n - (-18) = 0 n = 3

HanAkoSolo (jamierox4ev3r):

n=3. yes that is correct good job ! :D

OpenStudy (anonymous):

thank u ! one more ?

HanAkoSolo (jamierox4ev3r):

oh no, sorry i have to go :/ if you still need help when i come back on, feel free to message me! well goodbye <3 and see you later :)

OpenStudy (anonymous):

Thank u anyway. Byee

OpenStudy (anonymous):

Ok I can take a look if you want

OpenStudy (anonymous):

ok T + 10 - 4t = -11 T + 4t + 10 = -11 (1 - 4)t + 10 = -11 -3t + 10 + 11 = 0 -3t + 21 = 0 t = 7

OpenStudy (anonymous):

Yes that's correct

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