emathematics.net
Español
User: desconectar
 
Maths Exercices
Variable expressions
Evaluate multi-variable expressions

Evaluate the expression 2k+ w for k = -3 and w = -1.

Plug in k = -3 and w= -1, then simplify.

2k+w  
2(-3)+(-1)   Plug in k=-3 and w=-1
-6-1   Multiply
-7   Add

Evaluate the expression s-7a-2 for s=-1 and a=-1
Solution: s-7a-2=