9(a+10)=7[a+(4-a)]

Simple and best practice solution for 9(a+10)=7[a+(4-a)] 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 9(a+10)=7[a+(4-a)] equation:


Simplifying
9(a + 10) = 7[a + (4 + -1a)]

Reorder the terms:
9(10 + a) = 7[a + (4 + -1a)]
(10 * 9 + a * 9) = 7[a + (4 + -1a)]
(90 + 9a) = 7[a + (4 + -1a)]

Remove parenthesis around (4 + -1a)
90 + 9a = 7[a + 4 + -1a]

Reorder the terms:
90 + 9a = 7[4 + a + -1a]

Combine like terms: a + -1a = 0
90 + 9a = 7[4 + 0]
90 + 9a = 7[4]

Multiply 7 * 4
90 + 9a = 28

Solving
90 + 9a = 28

Solving for variable 'a'.

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

Add '-90' to each side of the equation.
90 + -90 + 9a = 28 + -90

Combine like terms: 90 + -90 = 0
0 + 9a = 28 + -90
9a = 28 + -90

Combine like terms: 28 + -90 = -62
9a = -62

Divide each side by '9'.
a = -6.888888889

Simplifying
a = -6.888888889

See similar equations:

| y-2=0.5(x+10) | | 1/6*-18 | | (2*(-7)+4)=10 | | 1/6*18 | | 100x=2x+3-4(2x+3) | | 8b+8= | | 2(3f+1)+4=4*-1-4(5+5f) | | 5y+3X+23=90 | | 15+x=-20 | | 9(x-2)=3(3x-6) | | 7*11=8u | | 16.58-2.6n-0.09=15-17.5n | | y=10+0.99x | | 250=24(5)+0.8x | | 24=2-9 | | 2*(-7)+4=10 | | 2x-2=x+67 | | 5x-102=180 | | 9v+21=4(v-6) | | 2x-13+2x+13=6x+10 | | 3x/3=48/3 | | 2p^2-5p-4=2 | | 42x+75=260 | | 13*17=8x | | 2(3f-1)+4=4*-1-4(5-1f) | | 5.18+8.1u=8.4u+11.09 | | 8(w+4)=-3w+21 | | z^17+2z^15-512=0 | | y-0=9(x+3) | | 2x+5x+1=-13 | | 4500e^(-x/150) | | -9(x-6)=-76.5 |

Equations solver categories