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6x + 2y = 22, 2x + y = 8. Find x and y.

Times second equation by 2.6x + 2y = 22 4x + 2y = 16Cancel the y's to gain equation of just x's. 6x + 2y =22 4x + 2y = 16 - ------------------- 2x = 6 ; x = 3Substitute x into an equation.(2×3) + y = 8y = 8-6y=2

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6x + 2y = 22, 2x + y = 8. Find x and y.

Related Maths GCSE answers

Work out the integer values that satisfy: x^2−7 x+ 11<0

which expression is equivalent to x^2-4? (x-2)^2 (x-2)(x+2) (x+2)(x+2) x^2(-4)

when given that y is 20% bigger than x, how can you express this as a ratio of y to x?

A ladder 6.2m long is leaning against a wall. The bottom of the ladder is 0.8m from the wall. Calculate the distance the ladder reaches up the wall, giving your answer to two decimal points.

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