Solve 10x - 7 = 4x + 5

Firstly, we want to gather similar terms. This means that we want to rearrange the equation so that all the x terms are on one side of the = sign and all the constants (the "ordinary" numbers) are on the other side.Gathering the x termsSubtracting 4x from both sides of the equation gives: 10x - 7 - 4x = 4x + 5 - 4xWhich simplifies to give: 6x - 7 = 5Gathering the constantsAdding 7 to both sides of the equation gives: 6x - 7 + 7 = 5 + 7Which simplifies to give: 6x = 12Now we solve for x by dividing each side by 6 to give: x = 2Thus the solution is x = 2.

MO
Answered by Mary O. Maths tutor

3926 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the Simultaneous equations x^2 + y^2 =29, y-x=3.


Calculate the length of side AB (opposite) in a right angled triangle, where angle C is 32 degrees and length of BC (hypotenuse) is 8cm.


Jorgen has 20 sweets in his pocket. The sweets are either blue or yellow. He picks a sweet and eats it and takes another sweet and eats it again. The probability of him picking two blue sweets is 6/30. How many yellow sweets does he have in his pocket.


I don't understand Pythagoras' theorem . What is it and how do you use it?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences