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5m+n = 37
m-2n = 14 => m = 2n+14
Substitute the value of m into the top equation:
5(2n+14)+n = 37
10n+70+n = 37
10n+n = 37-70
11n = -33
Divide both sides by 11 to find the value of n:
n = -3
Substitute the value of n into the original equations to find the value of m:
Therefore: n = -3 and m = 8
Add your answer:
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Solve -2 plus 5 equals?
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-2
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If Using substitution method to solve the equation y equals 8x plus 3 and y equals 7?
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16
7x - 5y equals 76 4x plus y equals 55?
To solve this system of equations, we can use the method of substitution or elimination. Let's use the substitution method. From the second equation, we can express y as y = 55 - 4x. Substitute this expression for y in the first equation: 7x - 5(55 - 4x) = 76. Simplify this equation to solve for x. Then, substitute the value of x back into one of the original equations to find the value of y.
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Since the second equation is already solved for "y", you can replace "y" by "9" in the other equation. Then solve the new equation for "x".
