Answer: 6
Explanation:
2(x-3)+7=13
simplify both sides of the equation
(2)(x) + (2)(-3) + 7 = 13 (distribute)
2x + -6 + 7 = 13
(2x) + (-6+7) = 13 (combine like terms)
2x + 1 = 13
subtract 1 from both sides
2x + 1 - 1 = 13 - 1
2x = 12
Divide both sides by two
2x/2 = 12/2
x = 6