October 06, 2014
Warm up:
x - 5y = 1
2x + 5y = 17
October 06, 2014
3s + 4t = 18
-2s + 4t = 8
October 06, 2014
y - 2x = -17
x + y = 16
October 06, 2014
3w - 2z = 5
w + z = 15
October 06, 2014
a - 3b = -1
2a + 3b = 16
a - 3b = -1
2a + 3b = 16
October 06, 2014
HW Solutions
October 06, 2014
October 06, 2014
Solve using any method.
1) 9x - 10y = 2
9x + 2y = -22
2) 2x - 8y = 6
x - 4y = 8
3) 2x - 3y = 4
x + 4y = -9
4) a - 2b = 0
a + 2b = 12
October 06, 2014
1) 9x - 10y = 2
9x + 2y = -22
October 06, 2014
2) 2x - 8y = 6
x - 4y = 8
October 06, 2014
3) 2x - 3y = 4
x + 4y = -9
October 06, 2014
4) a - 2b = 0
a + 2b = 12
October 06, 2014
Can we solve the problem
without using substitution?
3w - 2z = 5
w + z = 15
October 06, 2014