Answer:x=-8
Step-by-step explanation:subtract 21 from both sides then simplify 31-21 to -8
<span>(2x + y2)<span>5 heres you answer your so welcome</span></span>
Answer:
m= 15
Step-by-step explanation:

To solve for m, start by moving the constants (numbers that are not attached to any variable) to the other side of the equation.

Simplify:

Multiply both sides by 9:

Crossing out 3 from the denominator and from 9:
m= 5(3)
m= 15
7 multiply by three u get 21 then add it to the number 28 add u get the answer 49
Answer:
a i the answer
Step-by-step explanation:
l ≤ 12
2l + 2w < 30