Question

Simpllfy: 4(3b) А 4+3b В 12+5 C 12b D 7b

Answer 1

For:

$4(3b)$

Use distributive property:

$4(3b)=4\times3b=12b$

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Let:

x = Unknown number

When the number x is increasesd by 35 the result is 38, so:

$x+35=38$