Combining Like Terms
Evaluate:
3x+2x
5x
Simplify:
2(x+1)
2x+2
Evaluate:
3x+2y when x=2 and y=3
12
Simplify:
3(x+1)-1
3x+2
Evaluate:
3x+y+x
4x+y
Simplify:
3(3x+2x)
15x
Evaluate:
3x+4x+5y when x=2 and y=2
24
Simplify:
1-3(x+1)-1
-3x-1
Evaluate:
3x2+4x2
7x2
Simplify:
3(2x+x-4)
9x-12
Evaluate:
3(x+4x-y) when x=3 and y=2
39
Solve:
2x-1x+3y when x=1 and y=2
7
Evaluate:
3x+2x2-7x+2y
2x2-4x+2y
Simplify:
1+2(x+3x2)-2
6x2+2x-1
Evaluate:
2-3x2+4y when x=-3 and y=2
-17
Solve:
3(x+2y-4x+3y) when x=2 and y=3
27
Evaluate:
3ab+3b-2a+2ab-b2
5ab+3b-2a-b2
Simplify:
2-3(3-2)+3x
3x-1
Evaluate:
2-x2+5(x+y)-1 when x= 1 and y= 2
15
Solve:
1+2(x+5y-2x+6y)+1 when x=1 and y=2
43