Simplify -28x-28+4−28x−28+4 to -28x-24−28x−24
Add 28x28x to both sides39−7x+28x=−24Simplify 39-7x+28x39−7x+28x to 39+21x39+21x
39+21x=−24Subtract 39 from both sides
21x=−24−39Simplify -24-39−24−39 to −63
21x=−63Divide both sides by 21
x=−[tex] \frac{63}{21} [/tex]
Simplify tex] \frac{63}{21} [/tex] to 3
x=−3