Download App

Fundamental Concepts (Including Fundamental Operations) — MATHS STD 7 — Question

ICSE BoardEnglish MediumSTD 7MATHSFundamental Concepts (Including Fundamental Operations)2 Marks
Question
Simplify: 8 (2a + 3b – c) – 10 (a + 2b + 3c)
✓

Answer

8 (2a + 3b – c) – 10 (a + 2b + 3c)
= 16a + 24b – 8c – 10a – 20b- 30c
= 16a – 10a + 24b – 20b – 8c – 30c
= 6a + 4b – 38c

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Fundamental Concepts (Including Fundamental Operations)→Fundamental Concepts (Including Fundamental Operations) — all question types→MATHS STD 7 question papers→ICSE Board STD 7 question papers→ICSE Board question paper generator→

Similar questions

Round off: 0.627, 100.479, 0 065 and 0.024 to the nearest hundredths.
→
If A = {x: x is natural number divisible by 2 and x< 16} and
B = {x:x is a whole number divisible by 3 and x < 18}, find: A ∩ B and n (A ∩ B).
→
Solve the equation and check the answer : $5(z+4)=35$
→
Simplify: $\mathrm{a}\left(\mathrm{a}+\frac{1}{\mathrm{a}}\right)-\mathrm{b}\left(\mathrm{b}-\frac{1}{\mathrm{~b}}\right)-\mathrm{c}\left(\mathrm{c}+\frac{1}{\mathrm{c}}\right)$
→
State whether the given pair of set is equal or equivalent.
A = {letters of the word SUPERSTITION} and
B = {letters of the word JURISDICTION}.
→
One of the two equal angles of an isosceles triangle measures $65^{\circ}$. Find the measure of each angle of the triangle.
→
Divide the given number by 10, 100, 1000 and 10000
0.848 x 3
→
Find the sum of: $a^2+b^2+2 a b, 2 b^2+c^2+2 b c$ and $4 c^2-a^2+2 a c$
→
One of the two numbers exceeds the other by 9 . Four times the smaller added to five times the larger gives 108 . Find the numbers.
→
By actual division, express the rational number as a terminating decimal : $\frac{2}{25}$
→