Answer:
7.75
Step-by-step explanation:
56-27-21-0.25=7.75
Answer:
it x=-2(y-7)
3
Step-by-step explanation:
4.6x^2+3.2-4x+2.7x^2-x=4.6x^2+3.2x+-4x+2.7x^2+-xCombine like terms:4.6x^2+3.2x+-4x+2.7x^2+-x=(4.6x^2+2.7x^2)+(3.2x+-4x+-x)=7.3x^2+-1.8xAnswer:7.3x^2-1.8x