Answered

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12 and 14 please and thanks

12 And 14 Please And Thanks class=

Sagot :

Answer: x = 13 and x = 4

Step-by-step explanation:

12)

(11x-15) + (5x - 13) = 180

we can collect like terms:

16x - 28 = 180

Then balance the equation to 16x = answer

add 28 to both sides

16x = 208

Then divide both sides by 16:

x = 13

14)

PQR = 82^o

And QS bisects (cuts in half) PQR, meaning that either side of QS is the same.

This means that PQS = 41^o and (10x + 1) = 41.

To balance this equation, we take away 1 from either side and then divide both sides by 10:

10x = 40

x = 4

This shows that x = 4.

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