solve for x in the linear equations: 0.25 (x+3) – 0.75 (4-3x)=3.7

# solve for x in the linear equations: 0.25 (x+3) – 0.75 (4-3x)=3.7

• MATH

solve for x in the linear equations: 0.25 (x+3) – 0.75 (4-3x)=3.7

0.25(x+3) – 0.75(4-3x)=3.7 First, let us open the brackets: ==> 0.25 x +0.75 -3 + 2.25x=3.7 Add similar: ==> 2.5 x -2.25=3.7 No add 2.25 to both sides: ==> 2.5 x = 3.7+2.25 = 5.95 Divide…

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1. x^-3 +x^-3/2 = 2 assume x^-3=y ==> y+y^1/2 =2 ==> y + y^1/2 -2=0 ==> (y^1/2 +2)(y^1/2 -1)=0 ==> y^1/2= -2 which is impossible ==> OR y^1/2= 1 ==> y=1 ==> x= 1 2. 6(4^x +…

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