How do you solve the equation 3(6x + 2) = 10 + 4x?
Begin by expanding the brackets of the LHS:3(6x + 2) = 18x + 6 3 * 6x = 18 x and 3 *2 = 6The equation now reads:18x + 6 = 10 + 4xSubtract 4x from both sides14x + 6 = 10Subtract 6 from both sides14x = 4Divide both sides by 14x = 4/14
JT
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From June 2015 Edexcel paper: Solve 7x + 8 = 2x – 3
You are given a sequence of numbers: -2, 12, 32, 58, 90, ... Work out the 7th term in this sequence.