Substitution

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units
abc
abc
abc
vector
logic
function
standard

α

β

δ

γ

ϵ

ζ

η

θ

ι

κ

λ

μ

ν

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ο

π

ρ

σ

τ

υ

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Σ

Φ

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abc
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vector
logic
function
standard

Q

W

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F

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H

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shift

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logic
function
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logic
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logic
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logic
function
standard

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logic
function
standard

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abc
abc
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vector
logic
function
standard

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8

9

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4

5

6

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1

2

3

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0

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1

2

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7

Algebra: Variables

Substitution

What does substituting #y=-6# in an expression mean?

This means we are allowed to multiply #y# by #-6#.

This means that we add #-6# to the expression.

This means that every occurrence of #y# in the expression is replaced by #-6#.

This means that the expression is equal to #-6#.

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