What is the value of x in the equation 2x + 3y = 36, when y = 6?
2 answers:
Move all terms that don't contain x to the right side, and solve.
x = - 3y/2 + 18
2x+(3)(6)=36
Simplify both sides of the equation.
<span><span><span>2x</span>+18</span>=36
</span>Subtract 18 from both sides.
<span><span><span><span>2x</span>+18</span>−18</span>=<span>36−18
</span></span><span><span>2x</span>=18
</span>Divide both sides by 2.
<span><span><span>2x/</span>2</span>=<span>18/2
</span></span><span>x=<span>9</span></span>
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