7(a-10)=13-3(2a+3)

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Solution for 7(a-10)=13-3(2a+3) equation:


Simplifying
7(a + -10) = 13 + -3(2a + 3)

Reorder the terms:
7(-10 + a) = 13 + -3(2a + 3)
(-10 * 7 + a * 7) = 13 + -3(2a + 3)
(-70 + 7a) = 13 + -3(2a + 3)

Reorder the terms:
-70 + 7a = 13 + -3(3 + 2a)
-70 + 7a = 13 + (3 * -3 + 2a * -3)
-70 + 7a = 13 + (-9 + -6a)

Combine like terms: 13 + -9 = 4
-70 + 7a = 4 + -6a

Solving
-70 + 7a = 4 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
-70 + 7a + 6a = 4 + -6a + 6a

Combine like terms: 7a + 6a = 13a
-70 + 13a = 4 + -6a + 6a

Combine like terms: -6a + 6a = 0
-70 + 13a = 4 + 0
-70 + 13a = 4

Add '70' to each side of the equation.
-70 + 70 + 13a = 4 + 70

Combine like terms: -70 + 70 = 0
0 + 13a = 4 + 70
13a = 4 + 70

Combine like terms: 4 + 70 = 74
13a = 74

Divide each side by '13'.
a = 5.692307692

Simplifying
a = 5.692307692

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