Answer:
x=17
Explanation:
1) 4x +7 = 5(x-4) Congruent angles2) 4x + 7 = 5x -10 Distributive Property
3) Simplify 4x + 7 = 5x - 10-4x -4x 7 = x - 10 +10 +10 x = 17
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