Substitution
If x=3, find 2x
6
Simplify: 2x+3x
5x
3.5 + 2.4
5.9
4×0.5
2
5+(-2)
3
If a=4, find 3a+2
14
Simplify: 4y+2y
6y
7.2 - 3.1
4.1
6÷0.5
12
-3+7
4
If x=2, find 5x-3
7
Simplify: 6x-2x
4x
5.8 + 6.35
12.15
3.2×4
12.8
-4-3
-7
If m=5, find 4m+3m
35
Simplify: 3a+a-2a
2a
12.5 - 4.78
7.72
8.4÷2
4.2
-6+(-2)
-8
If x=3, find 2x2+x
21
Simplify: 5x+2-3x+4
2x+6
23.84 - 4.98
18.86
2.5×0.4
1
-10-(-3)
-7