Solve for x
x = \frac{36}{7} = 5\frac{1}{7} \approx 5.142857143
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3x+4x-16=20
Use the distributive property to multiply 4 by x-4.
7x-16=20
Combine 3x and 4x to get 7x.
7x=20+16
Add 16 to both sides.
7x=36
Add 20 and 16 to get 36.
x=\frac{36}{7}
Divide both sides by 7.
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