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Personalmente, opino que la creación de nuevas fuentes de energía no será la solución para mejorar nuestras condiciones futuras. Por el contrario, apostaría por el uso más frecuente de energías renovables...

60x+ 20y - 4x -10y
Step 1 ) collate the X's together = 60x -4x = 60-4= 56 add the x = 56x Step 2) collate the Y's together = +20y - 10y = +20 -10 = +10 add the y = +10yStep 3) add answers to step 1 ...

£600 includes 20% VAT Therefore £600 is 100% of original price + 20% from VAT, meaning £600 is a 120% price increase in accordance to original price.120% as a decimal is 1.2 - simply divide by 100 to get ...

First multiply out the bracket.x^2 = 4(x - 3)^2 then becomes x^2 = 4(x^2 - 6x + 9)Expand the right hand side further. x^2 = 4x^2 - 24x + 36Collect like terms. 3x^2 - 24x + 36 = 0The number 3 is a common f...

To form the perfect tense (which translates in English to 'I have been/eaten/visited') you must first conjugate the verb 'haber'. The correct conjugation for this verb is yo he, tu has, el/ella ha, nos he...