Solve for x
x=19
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0.4x=6.9+0.7
Add 0.7 to both sides.
0.4x=7.6
Add 6.9 and 0.7 to get 7.6.
x=\frac{7.6}{0.4}
Divide both sides by 0.4.
x=\frac{76}{4}
Expand \frac{7.6}{0.4} by multiplying both numerator and the denominator by 10.
x=19
Divide 76 by 4 to get 19.
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