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Find values for x and y from two simultaneous equations: 2x + y = 5 and 3x + y = 7

Rearrange one of the equations to make y the subject:y = 5 - 2x Substitute y into the other equation: 3x + 5 - 2x = 7 x = 2 y = 5 - (2 x 2) y = 1
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Answered by Marco V. • Maths tutor
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How do you form the preterite tense in Spanish?

For a regular Spanish '-ar' verb, for example 'hablar' - to speak, we remove the -ar ending and replace it with the endings as follows:I - éyou - astehe/she - ówe - amosyou (pl.) - asteisthey - aronThe struc...
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Answered by Alexander B. • Spanish tutor
2654 Views

Describe the 5 components of health.

Muscular strengthmuscular enduranceCV fitnessflexibilitybody composition
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Expand and simplify (3X+9)(X-6)=0

When expanding brackets, we need to make sure each of the terms in the first bracket are multiplied by all the terms in the second bracket (and vice versa). To make sure nothing is missed, we can used the FO...
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Answered by Wonu A. • Maths tutor
4486 Views

Vous décrivez là où vous habitez pour votre blog (90 mots)

J'habite dans un petit village qui s'appelle Upper Dean. Il y a un parc, ou on peut jouer au foot. En general j'adore ma maison, c'est tres grand et je peux faire les activites avec mes freres. Mais pendant ...
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Answered by James P. • French tutor
3387 Views