It's still easy to solve linear equations when only multiplication or division is involved. If there's a coefficient in front of the variable, multiply by the reciprocal of that number to get a coefficient of 1.
The inverse operation of multiplication is division. So, divide both sides by 3.
The inverse operation of division is multiplication. So, multiply both sides by 7.
x = 63
Solve and check: –7k = 18.13
Solve and check:
Solve the given equation.
242 = –22x
–26d = 0
–5 = 7.5z
Solve the given equation by multiplying a reciprocal.
Six times a number is –270. What is the number?
One fourth of a number is –6. What is the number?
Bledsow eats three slices of a ten–slice pizza. He pays $4.20 as his share of the full price.