Solve for x
x=\frac{12}{13}\approx 0.923076923
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9x-5+4x=7
Add 4x to both sides.
13x-5=7
Combine 9x and 4x to get 13x.
13x=7+5
Add 5 to both sides.
13x=12
Add 7 and 5 to get 12.
x=\frac{12}{13}
Divide both sides by 13.
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