Question
Evaluate:
2b − 3b − b + 4b
2b − 3b − b + 4b
✓
Answer
2b − 3b − b + 4b
= 2b + 4b − (3 + 1) × b
= 6b − 4b
= 2b
= 2b + 4b − (3 + 1) × b
= 6b − 4b
= 2b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Find the sum : $\frac{5}{6}+\frac{8}{9}+\frac{11}{18}+\frac{13}{27}$
→Find the value of x so that the given four numbers are in proportion:
$9, 12, x$ and $8$
→$9, 12, x$ and $8$
Write down the degree of the polynomial: $z-z^2+3 z^5$
→Find the value of: 40% of 1 year
Is the figure shown here a quadrilateral? State, giving reasons.
Find the approximate quotient for each of the following : $86 \div 27$
→Find the ratio of the following in simplest form : 750 gm to 2 kg
The product of the two numbers is 528. If the product of their unit’s digits is 8 and the product of their ten’s digits is 4; find the numbers.
Find the value of: $x^4-2 x^3+x^2-7 x-10$, when $x=-2$.
→Solve: $3 y=-12$
→