Solve for x. 8/x-7=7/2
2 answers:
You might be interested in
Answer:
see explanation
Step-by-step explanation:
Using the tangent and sine ratios in the right triangle EFG
tan60° = =
=
( multiply both sides by EG )
EG × tan60° = 28 ( divide both sides by tan60° )
EG = ≈ 16.2 in ( to the nearest tenth )
--------------------------------------------------------------
sin60° = =
=
( multiply both sides by EF )
EF × sin60° = 28 ( divide both sides by sin60° )
EF = ≈ 32.3 in ( to the nearest tenth )
- 3x+y=8--(1)
2x+4y=12
- x+2y=6--(2)
- (1)×1 and (2)×3
Subtract both
Put the value in eq(2)