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Maths Exercices
Variable expressions

Evaluate single-variable expressions

Evaluate the expression 2+h for h = 15.

Plug in h=15 and simplify

2+h
2+15 Plug in h=15
17 Add

Evaluate the expression -2-3m for m=-1.

Plug in m=-1 and simplify

-2-3m
-2-3(-1) Plug in m=-1
-2+3 Multiply
1 Subtract

Evaluate the expression -2v-3 for v=-7
Solution: -2v-3=