Casey correctly wrote and solved a system of linear equations by substitution. In his work, he submitted an expression for one v
ariable and solved for the other. This resulted in the equation 5=20. What can Casey conclude?
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5x + 8 - 3x = 10
First you can combine the like terms.
5x - 3x + 8 = 10
2x + 8 = 10
- 8 - 8
2x = 2
x=1
First you can combine the like terms.
5x - 3x + 8 = 10
2x + 8 = 10
- 8 - 8
2x = 2
x=1