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2x + 5 - 5=9 - 5 Using substitution to show that 5 is not a solution to the equation. By additive and multiplicative inverse

Respuesta :

Answer: x = 7

Step-by-step explanation: 2x + 5 - 5 = 9 - 5
2x + 5 - 5 = 4
2(2) + 5 - 5 = 4
4 + 5 - 5 = 4
9 - 5 = 4
4 = 4

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