Question

3x+5+2x+6+x=4x+21 = ?

Answer 1

Step-by-step explanation:

3x+5+2x+6+x=4x+21 = ?

3x+5+2x+6+x=4x+21 = ?

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Answer 2

Answer:

so the answer is x=5

Step-by-step explanation:

first rewrite the equations

3x+5+2x+6+x=4x+21

now put x on one side and

all the numbers on the other side

3x+2x+x-4x=-5-6+21

now solve 6x-4x=-11+21

2x=10

x=5

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