Answer:
x=19
Step-by-step explanation:
These two angles are alternate interior angles and alternate interior angles are equal when the lines are parallel
148 = 7x+15
Subtract 15 from each side
148-15 =7x+15-15
133 = 7x
Divide by 7
133/7 = 7x/7
19 =x
It would be 6x^2 + 14x -12
Step-by-step explanation:
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Y÷6=29
y=29 x 6
y=174
Hope I can help u