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How do you solve the equation 5x-93x 11 and are these simultanous equation if there are no answers on the end of each equation?
Wiki User
∙ 9y ago
I assume you have : 5x - 9 = 3x + 11
This is a single algebraic expression.
Subtract 3x from both sides.
5x - 9 - 3x = 3x + 11 - 3x
2x - 9 = 11
Add 9 to both sides :
2x - 9 + 9 = 11 + 9
2x = 20
x = 10 <-------------------------------------
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoIf: 5x-9 = 3x+11
Then: 5x-3x = 11+9 => 2x = 20
Therefore: x = 20/2 => 10
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