4a+9=2a+15

Simple and best practice solution for 4a+9=2a+15 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4a+9=2a+15 equation:


Simplifying
4a + 9 = 2a + 15

Reorder the terms:
9 + 4a = 2a + 15

Reorder the terms:
9 + 4a = 15 + 2a

Solving
9 + 4a = 15 + 2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2a' to each side of the equation.
9 + 4a + -2a = 15 + 2a + -2a

Combine like terms: 4a + -2a = 2a
9 + 2a = 15 + 2a + -2a

Combine like terms: 2a + -2a = 0
9 + 2a = 15 + 0
9 + 2a = 15

Add '-9' to each side of the equation.
9 + -9 + 2a = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 2a = 15 + -9
2a = 15 + -9

Combine like terms: 15 + -9 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3

See similar equations:

| 0.13x+9=0.16x+8 | | -8(z+3)+5(3z-3)=6(z-3)+14 | | (2x+a)(3x^2+b)= | | 14=(,2,4) | | x^2-16x+15=-9x+3 | | 9x-1+6x+10= | | 7x+4y=42 | | 8x^2+14x=4 | | 2x^2+10x=-12 | | 4.1x+3.3=7.5 | | A(n)=-5.5+(n-1)(2) | | 141=(4n-6)-4654 | | -4(w-9)-(8+2w)=-7w | | 15y-8(14y-4)=905 | | -9(6x+3)= | | 8(10+5x)-3(3-4x)=591 | | F(Y)=5y-3 | | 16x^2-11x+21=0 | | A+7=2A-2 | | 10.632+k=-5.647 | | -7(k-4)-(3k-1)=-11k | | 10(7+15x)-8(5-15x)=300 | | 36.2=x-19.7 | | a-6=-19 | | a+48.77=67.5 | | d-8.34=-9.31 | | 7(c+6)=6c-5 | | 6(x+4)-3x=33 | | 125-45y^4=0 | | x-1/2-x+3x+1/4-5x=1 | | 13x-3x=12 | | -9x+1=-80 |

Equations solver categories