Let's solve for x.<span><span><span><span>5x</span>+y</span>−7</span>=0</span>Step 1: Add 7 to both sides.<span><span><span><span><span>5x</span>+y</span>−7</span>+7</span>=<span>0+7</span></span><span><span><span>5x</span>+y</span>=7</span>Step 2: Add -y to both sides.<span><span><span><span>5x</span>+y</span>+<span>−y</span></span>=<span>7+<span>−y</span></span></span><span><span>5x</span>=<span><span>−y</span>+7</span></span>Step 3: Divide both sides by 5.<span><span><span>5x</span>5</span>=<span><span><span>−y</span>+7</span>5</span></span><span>x=<span><span><span><span>−1</span>5</span>y</span>+<span>7<span>5</span></span></span></span>Let's solve for x.<span><span><span>6x</span>+y</span>=4</span>Step 1: Add -y to both sides.<span><span><span><span>6x</span>+y</span>+<span>−y</span></span>=<span>4+<span>−y</span></span></span><span><span>6x</span>=<span><span>−y</span>+4</span></span>Step 2: Divide both sides by 6.<span><span><span>6x</span>6</span>=<span><span><span>−y</span>+4</span>6</span></span><span>x=<span><span><span><span>−1</span>6</span>y</span>+<span>23</span></span></span>Answer:<span>x=<span><span><span><span>−1</span>6</span>y</span>+<span>2<span>3