7x + 2 = –54
x = –8
which of the system equations have (1,3)
a.3x+y=6/4x-3y=-5
b.x+y=5/2x-y=7
c.2x+y=5/x-y=2
a.3x+y=6/4x-3y=-5
4(x – 1) < 3(x + 1)
x < 7
solve (x + 1)(x – 3) = 0
x = –1, 3
2 x+6 = 32
x = –1
–5x – 7 = 108
x = –23
are these equivalent to each other ?
1. 4x+5y=11 /x−y=5
2.4x−5y=11/ 2x+y=9?
no
Solve 2x ≤ 4
x≤2
solve x2 – 3x – 4 = 0
x = –1, 4
92x-5=27
x = 2
Solve 3x – 9 = 33
x = 14
solve
8x−5y+16=0
1x+3y−17=0
x=1/2,y=4.
2x + 3 ≤ x
x ≤ -3
Solve x2 – 7x = 0
x = 0, 7
5 3x + 7 = 311
x = –1.14
5x + 7x = 72
x = 6
solve
−3y/4=x−5y/3
7x+y=12
Answer: x = 2, y = -2
-12x < 144
x > -12
graph the equation and solve for the x
x2 – 8x + 15
x = 3, 5
5 2x – 3 = 18
x = 2.39
8x – 1 = 23 – 4x
x = 2
is there a solution to this?
(x+3)(x−1)=4y+x2+5
(x−3)(3x+2)=3 x2−14y+15
no
z + 5 ≥ 3
z ≥ -2
Solve 6x2 + 11 x – 35 = 0
x=−7/2,5/3
Solve 25 2x – 1 = 125 3x + 4
x=-14/5