If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
5x+5=7
Move the constant to the right-hand side and change its sign
5x=7−5
Subtract the numbers
5x=2
Cross multiply
x=5×2
Solution
x=10
Show Solution
Rewrite the equation
x=10
Evaluate
5x−(−5)=7
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
Algebra
Calculus
Trigonometry
Matrix