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2.4x=0.9x_{1}-2.7
Multiply 9 and 0.1 to get 0.9.
2.4x=\frac{9x_{1}-27}{10}
The equation is in standard form.
\frac{2.4x}{2.4}=\frac{9x_{1}-27}{2.4\times 10}
Divide both sides of the equation by 2.4, which is the same as multiplying both sides by the reciprocal of the fraction.
x=\frac{9x_{1}-27}{2.4\times 10}
Dividing by 2.4 undoes the multiplication by 2.4.
x=\frac{3x_{1}-9}{8}
Divide \frac{9x_{1}-27}{10} by 2.4 by multiplying \frac{9x_{1}-27}{10} by the reciprocal of 2.4.
2.4x=0.9x_{1}-2.7
Multiply 9 and 0.1 to get 0.9.
0.9x_{1}-2.7=2.4x
Swap sides so that all variable terms are on the left hand side.
0.9x_{1}=2.4x+2.7
Add 2.7 to both sides.
0.9x_{1}=\frac{12x}{5}+2.7
The equation is in standard form.
\frac{0.9x_{1}}{0.9}=\frac{\frac{12x}{5}+2.7}{0.9}
Divide both sides of the equation by 0.9, which is the same as multiplying both sides by the reciprocal of the fraction.
x_{1}=\frac{\frac{12x}{5}+2.7}{0.9}
Dividing by 0.9 undoes the multiplication by 0.9.
x_{1}=\frac{8x}{3}+3
Divide \frac{12x}{5}+2.7 by 0.9 by multiplying \frac{12x}{5}+2.7 by the reciprocal of 0.9.