Final answer to the problem
$x=5$
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Move everything to the left hand side of the equation
$5x-8x+15=0$
Learn how to solve equations linéaires à une variable problems step by step online.
$5x-8x+15=0$
Learn how to solve equations linéaires à une variable problems step by step online. 5x=8x-15. Move everything to the left hand side of the equation. Combining like terms 5x and -8x. Apply the formula: x+a=b\to x+a-a=b-a, where a=15, b=0, x+a=b=-3x+15=0, x=-3x and x+a=-3x+15. Apply the formula: x+a+c=b+f\to x=b-a, where a=15, b=0, c=-15, f=-15 and x=-3x.
Final answer to the problem
$x=5$
