Flag 7 grade maths> solve the following equations 3(5x – 7) +...
question mark

solve the following equations 3(5x – 7) + 2(9x – 11) = 4(8x – 7) – 111

Akkinapalli Archana , 6 Years ago
Grade 7
anser 3 Answers
Anish Singhal

Last Activity: 6 Years ago

555-172_Untitled.png

Arun

Last Activity: 6 Years ago

Dear student
 
 
3 (5x – 7) + 2( 9x – 11) = 4 (8x – 7) – 111
 
15 x – 21 + 18 x – 22 = 32 x – 28 – 111
 
x = 43 – 139 = – 96
 
Regards
Arun (askIITians forum expert)

amrita amrita

Last Activity: 6 Years ago

Q.. 3(X –  7) +2(9X – 11) = 4(8X – 7) – 111
ANS:-                                                                  15X – 21 + 18x -22 =32x – 28 – 111
15x+18x – 32x = 21 – 28 – 111
33x – 32x = 132 – 28
x =104

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments