exam Maths Puzzle Numerical Ability

(Please help a friend of mine with these two problems)

1) 2/3x + 4 = 6

2) C + 1 3/4 = 1 2/3

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exam Other Question



600x^4-100x^2-200
Solve the following system of linear inequalities by graphing.
x + 2y =3
2x – 3y = 6