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Umnica [9.8K]
4 years ago
15

Solve: 4x+3 = 2x + 9

Mathematics
2 answers:
Rudik [331]4 years ago
8 0
4x+3 = 2x + 9

4x-2x=9-3

2x=6

x=6/2

x=3
nataly862011 [7]4 years ago
6 0
Move 2x to the left hand side of the equation by subtracting 2x from both sides.
<span>4x+3−2x=9

</span>Add <span>4x</span><span> and </span><span>−2x</span><span> to get </span><span><span>2x</span>.
</span><span>x+3=9

</span>Since 3<span> does not contain the </span>variable<span> to solve for, move it to the right-hand side of the </span>equation<span> by subtracting </span>3<span> from both sides.
</span><span>2x=−3+9

</span>Add <span>−3</span><span> and </span>9<span> to get </span><span>6.
</span><span>2x=6

</span>Divide<span> each </span>term<span> in the </span>equation<span> by </span><span>2.
</span><span>x=3

x is equal to 3</span>
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