Question

SOLVE FOR x IN THE DIAGRAM BELOW

Answer 1

x= 12°

Explanation:

Information needed:

The two angles add up to 90°

Equation: (x+42)+3x= 90°

Solve:

(x+42)+3x= 90°

x+42+3x= 90°

x+3x+42= 90°

4x+42= 90°

-42 -42

4x= 48°

/4 /4

x= 12°

Answer 2

x = 12°

Explanation:

(x + 42) + 3x = 90°

(The interior angle equals 90°)

Simplify.

4x + 42 = 90

Subtract.

4x = 48

Divide.

x = 12°

good luck, i hope this helps :)