Question

1. Calculate the value of x in the following diagram. 53 - Y IN Q 5x 18​

Answer 1

x = 7

Explanation:

QY = 5x

YZ = 18

QZ = 53

Thus:

QY + YZ = QZ (segment addition postulate)

5x + 18 = 53

5x = 53 - 18 (subtraction property of equality)

5x = 35

Divide both sides by 5

x = 7