Mathematics
Elizaboo
2016-04-27 21:46:42
What is the system of solution to y-x=-13 and -4x+3y=-51
ANSWERS
Nikki54321
2016-04-28 02:30:35

Equation 1 ==> y - x = -13 Equation 2 ==> -4x + 3y = -51 3(y - x) = 3(-13) Equation 3 ==> 3y - 3x = -39 Equation 2 - 3 = (3y - 3y) + ( -4x - (-3x) ) = -51 - (-39) -x = -12 x = 12 Substitude x into equation 1 y - 12 = -13 y = -1

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