Evaluating Algebraic Expressions
Algebra, and more...

 1 EASY Evaluate $$x+2$$ for $$x=7$$.

 2 EASY Evaluate $$5t$$ for $$t=4$$.

 3 EASY Evaluate $$12-a$$ for $$a=-65$$.

 4 EASY Evaluate $$\frac{4}{3}g$$ for $$g=4$$.

 5 EASY Evaluate $$6v-9$$ for $$v=4$$.

 6 EASY Evaluate $$x-y$$ for $$x=15$$ and $$y=7$$.