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_irawk_ Group TitleBest ResponseYou've already chosen the best response.0
what are you stuck on?
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
solve the first equation for x and substitute into the last two equations... then solve those two equations for y and z
 one year ago

AEB047 Group TitleBest ResponseYou've already chosen the best response.0
I don't get any of it.
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
"solve the first equation for x" move all the terms without 'x' in them to one side of the equal sign
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
can you do that?
 one year ago

AEB047 Group TitleBest ResponseYou've already chosen the best response.0
I know THAT. x=yz+12
 one year ago

AEB047 Group TitleBest ResponseYou've already chosen the best response.0
6(yz+12)2yz=16
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
"substitute into the last two equations." 6x2yz=16  > 6(yz+12) 2yz=16 3x+4y+2z=28 > 3(yz+12) 4y+2z=28
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
do some basic algebra to simplify... what are you left with?
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
two equations with two unknowns...
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
solve them the same way we just 'solved' for x...
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
solve one equation for z or y.... substitute into the other equation.
 one year ago

AEB047 Group TitleBest ResponseYou've already chosen the best response.0
what's1672?
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
good one.
 one year ago

AEB047 Group TitleBest ResponseYou've already chosen the best response.0
never mind.
 one year ago

jishan Group TitleBest ResponseYou've already chosen the best response.0
x=4,y=0 & z=8
 one year ago
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