Solve for a 19-4a=17

Math
19-4a=17
Move all terms not containing a to the right side of the equation.
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Subtract 19 from both sides of the equation.
-4a=17-19
Subtract 19 from 17.
-4a=-2
-4a=-2
Divide each term by -4 and simplify.
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Divide each term in -4a=-2 by -4.
-4a-4=-2-4
Cancel the common factor of -4.
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Cancel the common factor.
-4a-4=-2-4
Divide a by 1.
a=-2-4
a=-2-4
Cancel the common factor of -2 and -4.
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Factor -2 out of -2.
a=-2(1)-4
Cancel the common factors.
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Factor -2 out of -4.
a=-2⋅1-2⋅2
Cancel the common factor.
a=-2⋅1-2⋅2
Rewrite the expression.
a=12
a=12
a=12
a=12
The result can be shown in multiple forms.
Exact Form:
a=12
Decimal Form:
a=0.5
Solve for a 19-4a=17

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