Question

I need help on how to do this as soon as possible please

Answer 1

11

Explanation:

m∠1 = m∠2 {Corresponding angles}

78 - 2x = 89 - 3x

Add 3x to both sides

78 - 2x + 3x = 89

78 + x = 89

Subtract 78 from both sides

x = 89 - 78

x = 11