9x-7y=4200 and 4x+3y=11400
Solve the system by substitution.
minus, x, plus, 8, y, equals, 20
−x+8y=
20
x, equals, y, plus, 8
x=
y+8
A is a square matrix of order 3, |A'| = -3, the |AA'|
169 +652
20c divided by 4
Solve for all values of x:
square root of, x, end square root, plus, 1, equals, square root of, x, plus, 3, end square root
x
...
72689 +51961 -48346
What is 4x + 5.2 + 6 + 7.9x - 8x equal to
y, equals, minus, 7, x, plus, 4
y=
−7x+4
10, x, minus, 10, y, equals, 40
10x−10y=
40
1
- of 10 =
2
