Question

X(21)+x(4)=300 I need solving

Answer 1

12

Explanation:

21x + 4x = 300 Put brackets around the first two terms.

(21x + 4x) = 300 Pull the x outside the brackets. Use the distributive property. Combine the left

25x = 300 Divide by 25

25x/25=300/25 Do the division

x = 12