Move 2y to the right hand side of the equation by subtracting 2y from both sides. <span>x=−2y+7</span> <span>3x−2y=−3
</span>Replace all occurrences of x<span> with the </span>solution<span> found by solving the last </span>equation<span> for </span><span>x.</span><span> In this case, the value substituted is </span><span><span>−2y+7</span>. </span><span>x=−2y+7</span> <span>3(−2y+7)−2y=−3
</span>Simplify each term<span>. </span><span>x=−2y+7</span> <span>−6y+21−2y=−3
</span>Add <span>−6y</span><span> and </span><span>−2y</span><span> to get </span><span><span>−8y</span>. </span><span>x=−2y+7</span> <span>−8y+21=−3
Move 21 to the right hand side of the equation. </span><span>x=−2y+7</span> <span>−8y=−21−3
</span>Subtract 3<span> from </span><span>−21</span><span> to get </span><span><span>−24</span>. </span><span><span>x=−2y+7</span> <span>−8y=−24
</span></span>Divide<span> each </span>term<span> in the </span>equation<span> by </span><span><span>−8</span>. </span><span>x=−2y+7</span> <span>y=3
</span>Replace all occurrences of y<span> with the </span>solution<span> found by solving the last </span>equation<span> for </span><span>y.</span><span> In this case, the value substituted is </span><span>3. </span><span>x=−2(3)+7</span> <span>y=3
</span>Multiply <span>−2</span><span> by </span>3<span> to get </span><span><span>−6</span>. </span><span>x=−6+7</span> <span>y=<span>3
</span></span>Add <span>−6</span><span> and </span>7<span> to get </span><span>1. </span><span>x=1</span> <span>y=3
