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How to fix it?

``` r
a+v+2
#> Error in eval(expr, envir, enclos): object 'a' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

Why is 2 + 2 not equal to 4???

2 + 2 = 4
#> Error in 2 + 2 = 4: target of assignment expands to non-language object

Hello

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

2 +5 + a
#> Error in eval(expr, envir, enclos): object 'a' not found
Created on 2021-06-15 by the reprex package (v2.0.0)

not sure what im doing

+3+b=1
#> Error in 2 + 3 + b = 1: target of assignment expands to non-language object

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

Can someone help me?

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

(y <- 1:4)
#> [1] 1 2 3 4
mean(y)
#> [1] 2.5

Created on 2021-06-15 by the reprex package (v2.0.0)

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Can't figure this out.

2+3+b
#> Error in eval(expr, envir, enclos): object 'b' not found
2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

No idea what even happened

install.packages(reprex)
#> Error in install.packages(reprex): object 'reprex' not found

Can't figure this out!

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

Error!

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

Can someone help me? I am stuck.

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

Help!

2 + 3 + b
#> Error in eval(expr, envir, enclos): object 'b' not found

Created on 2021-06-15 by the reprex package (v2.0.0)

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