7a+13=2a-15

Simple and best practice solution for 7a+13=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 7a+13=2a-15 equation:


Simplifying
7a + 13 = 2a + -15

Reorder the terms:
13 + 7a = 2a + -15

Reorder the terms:
13 + 7a = -15 + 2a

Solving
13 + 7a = -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.
13 + 7a + -2a = -15 + 2a + -2a

Combine like terms: 7a + -2a = 5a
13 + 5a = -15 + 2a + -2a

Combine like terms: 2a + -2a = 0
13 + 5a = -15 + 0
13 + 5a = -15

Add '-13' to each side of the equation.
13 + -13 + 5a = -15 + -13

Combine like terms: 13 + -13 = 0
0 + 5a = -15 + -13
5a = -15 + -13

Combine like terms: -15 + -13 = -28
5a = -28

Divide each side by '5'.
a = -5.6

Simplifying
a = -5.6

See similar equations:

| 3x+18=13x-92 | | 2z-5z+10=-8-2z | | 13-15a=16-10a | | 2x-14=7x+8 | | (3x+2)/x=2x+2 | | 2a+12=6a-5 | | 35/28=40/x | | 39n^2+39n=0 | | 3x+2/x=2x+2 | | 3x+4=2+2x | | q+2=7q+3q-20 | | 21/35=24/x | | 10a-5=5 | | 2r-11=15 | | -9x-5= | | 7f-12=9 | | 39n^2-39=0 | | 1/2x2/4 | | 6t-12=18 | | 8-3/8k=-4 | | 5r-6=4 | | -7500+0+7533.3+7550= | | 4q+5=17 | | 3+0.06s+450= | | 2+0.06s+450= | | 2+0.06+450= | | 1+0.06+450= | | 3(x+2)-x+4=2x+10 | | 4/2.5=h/3 | | 0+0.06s+450= | | 7(x+3)=4(x+9) | | 6x-8=88-10x |

Equations solver categories