SOLUTION: when solving the system of equations, 3x+y=14
which expression could be substituted x+4y=3
for y in the second equation?
a.3-4y
b.3-x/4
c.14-y/3
d.14-3x
Algebra.Com
Question 64768: when solving the system of equations, 3x+y=14
which expression could be substituted x+4y=3
for y in the second equation?
a.3-4y
b.3-x/4
c.14-y/3
d.14-3x
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
3x + y = 14
Rearrange the equation to get y on its own.
Subtract 3x from each side
3x + y - 3x = 14 - 3x
y = 14 - 3x
This can now be substituted in the second equation.
RELATED QUESTIONS
In the system of equations 4x + 2y = 10 and 3x + 7y = -18, which expression can be... (answered by Fombitz)
Considering these two equations:
y-3x=4
3y+2x=1
Which expression can be... (answered by Fombitz)
Which expression can be substituted for y in the top equation of the system to solve... (answered by josgarithmetic)
When solving this system of equations by elimination, which could be the resulting... (answered by FrankM)
The following system is solved by substitution. Which expression is substituted for z in... (answered by Alan3354)
which expression can be substituted for x in the top equation of the system below to... (answered by stanbon)
Which expression can be substituted for x in the top equation of the system below to... (answered by algebrahouse.com)
I can't understand
Which strategies could be used for solving the following system of... (answered by josmiceli,Earlsdon)
The solution for a system of two linear equations is (0, 0). Which equation below could... (answered by ewatrrr)