plz friends solve the problem question no 10 and 11 plz plz plz plz plz help me
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(3x + 4) + (x - 2) = 90
3x + 4 + x -2 = 90
4x + 2 = 90
4x = 90 - 2
4x = 88
x = 22
11.
(2x + 10) + (3x + 5) = 180
2x + 10 + 3x + 5 = 180
5x + 15 = 180
5x = 180 - 15
5x = 165
x = 33
Hope the answer is correct...........
= 4x+2 = 90. (complementry angle = 90)
= 4x = 88
= x = 22.
11. = 2x+10+3x+5 = 180
= 5x+15 = 180. (supplymentry angle = 180)
= 5x = 180-15 = 165
= x = 165/5 = 33.