solving equations
2x+4-9x=53
x=-7
8x+4y=24
y=-2x+6
3x+15>9
x>-2
(12m2+4)+(8m2+5)
20m2+9
(12m2+4)+(8m2+5)
20m2+9
4(x-1)=13
x=4
3x+6y=18
y=-1/2x+3
The sum of twice a number and 5 is at most 15
x≤ 5
(2x3+4x2-4)-(5x3+2x2-2)
-3x3+2x2-4
(2x3+4x2-6)-(5x3+2x2-2)
-3x3+2x2-4
45=5(2x+3)
x=3
-9x+18y=36
y=1/2x+2
5<14-3x
x<3
8x(6x+6)
48x2+48
8x(6x+6)
48x2+48
-4x-11=4x+21
x=-4
5x-4y=-20
y=5/4x+5
3x+1≤ 4x-12
13≤ x
-9(3x-1)
-27x2+9x
x3+x2y
3(x+7)=6(x+2)
x=3
y=mx+b
2(x+4)>4(x-6)
16>x
-a2(2a2+5a-10)
-2a4-5a3+10a2
-a2(2a2+5a-10)
-2a2-5a3+10a2