How do you do the equation 4x plus 7 equals 21?

Anonymous

∙ 15y ago

Updated: 10/17/2024

The question doesn't make clear what is meant by "doing" an equation.
Let's manipulate this one in order to find out how much ' x ' is:

4x + 7 = 21

Subtract 7 from both sides:

4x = 14

Divide both sides by 4:

x = 14/4 = 7/2

Wiki User

∙ 15y ago

What else can I help you with?

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SWAQ

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