Question 669935
{{{(2/3)x + (3/4)x - (3/2)x = (-7/4) + (3/4)}}}
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Multiply the entire eqation by 12
{{{4cross(12)(2/cross(3))x + 3cross(12)(3/cross(4))x - 6cross(12)(3/cross(2))x = 3cross(12)(-7/cross(4)) + 3cross(12)(3/cross(4))}}}
8x + 9x - 18x = -21 + 9
-x = -12
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Divide by -1
{{{highlight_green(x = 12)}}}
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