Replace all occurrences of ( a) in ( 2a+3b=-7) with ( -1+b).( a=-1+b)( 2(-1+b)+3b=-7)Simplify ( 2(-1+b)+3b).( a=-1+b)( -2+5b=-7)Solve for ( b) in the secondequation.( a=-1+b)( b=-1)Replace all occurrences of ( b) in ( a=-1+b) with...
Substitute ( 12) for ( n) into ( ex^2=83) then solve for ( x).( x=(√(83e))/e,-(√(83e))/e)Replace ( x) with ( (√(83e))/e) in the equation.( x=(√(83e))/e)( e(((√(83e))/e))^2=83)Replace ( x) with ( -(√(83e))/e) in the equation.( x...
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把Y=-2X+1代入2x-5y=3 2X-5(-2X+1)=3 2X+10X-5=3 X=2/3 把X=2/3代入y = -2x + 1得出Y= -1/3
已知x=23是方程3(m-34x)+32x=5m的解,判断将x=23代入方程后所得等式是否为关于m的一元一次方程. 答案 解:把x=23代入方程,得3(m-34×23)+32×23=5m,整理得3m-12=5m,故是关于m的一元一次方程. 结果二 题目 已知x=是方程3(m-x)+x=5m的解,判断将x=代入方程后所得等式是否为关于m的一元一次方...
Subtract ( 2x) from both sides of the equation. ( y=20-2x) ( x+2y=16) Replace all occurrences of ( y) in ( x+2y=16) with ( 20-2x). ( y=20-2x) ( x+2(20-2x)=16) Simplify ( x+2(20-2x)). ( y=20-2x) ( -3x+40=16) Solve for ( x) in the secondequati...
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https://socratic.org/questions/how-do-you-solve-by-substitution-3x-2y-11-and-x-2-4y (4,−21) Explanation: 3x+2y=11andx−2=−4y Step 1:Choose an equation x−2=−4y ... How do you find the x and y intercept given 3x+2y=12 ? https://socratic.org/questions/how-do-you...
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