allerySolve for x: (2x/3) + 1 = (7x/15) + 3
Ax = 5
Bx = 10
Cx = 15
Dx = 30
Answer & Solution
Correct answer: B. x = 10
Multiply both sides by 15 (LCM of 3 and 15): 10x + 15 = 7x + 45. Then 3x = 30
so x = 10. Verify: LHS = 20/3 + 1 = 23/3
RHS = 70/15 + 3 = 14/3 + 9/3 = 23/3. ✓
Keep practising Unit 1A2: Trigonometric Functions & Inverse Trig
Browse all Unit 1A2: Trigonometric Functions & Inverse Trig questions for AP Calculus AB, or explore more Mathematics topics.
Related questions
In a right triangle, for an acute angle θ, sin θ is defined as:A relation $f$ from $A$ to $B$ is a function if every element of $A$ has:The domain of $f(x)= qrt{4-x^2}$ is:If $(x+1,\,y-2)=(3,\,1)$, then $(x,y)$ equals:The domain of $f(x)= qrt{x-1}$ is:The range of the function $f(x)=x^2,\; x\in\mathbb{R}$ is:The domain of the function $f(x)=\dfrac{1}{x-2}$ is:The reciprocal of sin θ is: