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Algebra e.g. 2x + 14 = 18. what is x?

2x + 14 = 18Whatever you do on one side, e.g. LHS, you do the same on the RHS.-14 from both sides 2x + 14 (-14) = 18 (-14)2x = 4To get x by itself you need to divide it by 2. so you divide LHS and RHS by 2.x = 2.

Answered by Sonam T. • Maths tutor

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Algebra e.g. 2x + 14 = 18. what is x?

Related Maths GCSE answers

Express x^2+2x+4 in the form (x+a)^2 + b, hence find the stationary point of the curve.

Show that (x + 1)(x + 3)(x + 5) can be written in the form ax^3 + bx^2 + c^x + d where a, b, c and d are positive integers.

Solve the following simultaneous equations for x and y. 2x+5y=9 and 4x-3y=7

There are 10 boys and 20 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys.

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