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$3x-7=18$

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Solve equations involving like terms

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Q.

3x-7=18

Add $7$ to isolate x: Add $7$ to both sides of the equation to isolate the term containing $x$ . The equation is $3x - 7 = 18$ . To get rid of the $-7$ , we add $7$ to both sides of the equation. $3x - 7 + 7 = 18 + 7$ This simplifies to: $3x = 25$
Divide by $3$ to solve: Divide both sides of the equation by $3$ to solve for $x$ . The equation is now $3x = 25$ . To isolate $x$ , we divide both sides by $3$ . $\frac{3x}{3} = \frac{25}{3}$ This simplifies to: $x = \frac{25}{3}$

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