Question

in the given figure find the value of x​

Answer 1

Answer:

50

Step-by-step explanation:

In this image, the 3 angles add up to 180° which means they are supplementary.

1st, we must make or frame the equation based in the figure:

(x + 3) + (x + 20) + (x + 7) = 180°

x + 3 + x + 20 + x + 7 = 180°                        - we have opened the brackets

x + x + x + 3 + 20 + 7 = 180°                        - we have regrouped the numbers

                     3x + 30 = 180°

                              3x = 180 - 30 = 150       - we have transposed 30

                                x = $\frac{150}{3}$ = 50                  - we have transposed 3

Thus, the value of x = 50

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