Find a value for x so that 15/12=-5/x
x = -4
15/12 = 5*3/4*3 = 5/4 = -5/-4
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To find the value of x in the equation 15/12 = -5/x, we can cross-multiply. Cross-multiplication is a method used to solve equations when two fractions are equal to each other. Here's how you can do it:
Step 1: Cross-multiply the equation.
15 * x = -5 * 12
Step 2: Simplify both sides of the equation.
15x = -60
Step 3: Divide both sides of the equation by 15 to isolate x.
x = -60/15
Step 4: Simplify the right side of the equation.
x = -4
Therefore, the value of x in the equation 15/12 = -5/x is x = -4.